The title says it all- the sticky for broadcom doesn't seem to cover any 44 models, so I'm hoping you guys can help me out. At the moment, I'm not getting anything- no visible networks, no nothing- and I haven't been able to get it to work in earlier versions of ubuntu (I'm running Hardy right now.)
Here's some info (please pardon the mess):

lshw -C Network
WARNING: you should run this program as super-user.
*-network:0
description: Ethernet interface
product: BCM4401 100Base-T
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 01
serial: 00:0f:1f:11:be:89
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical
configuration: broadcast=yes driver=b44 driverversion=2.0 latency=32 module=ssb multicast=yes
*-network:1
description: Wireless interface
product: PRO/Wireless 2200BG Network Connection
vendor: Intel Corporation
physical id: 3
bus info: pci@0000:02:03.0
logical name: eth1
version: 05
serial: 00:0e:35:40:d0:ae
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ipw2200 driverversion=1.2.2kmprq firmware=ABG:9.0.2.6 (Mar 22 2005) latency=32 maxlatency=24 mingnt=3 module=ipw2200 multicast=yes wireless=unassociated
deimos@stnkdothn:~$ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation 82855PM Processor to I/O Controller [8086:3340] (rev 03)
00:01.0 PCI bridge [0604]: Intel Corporation 82855PM Processor to AGP Controller [8086:3341] (rev 03)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 [8086:24c2] (rev 01)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 [8086:24c4] (rev 01)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 [8086:24c7] (rev 01)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller [8086:24cd] (rev 01)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 81)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge [8086:24cc] (rev 01)
00:1f.1 IDE interface [0101]: Intel Corporation 82801DBM (ICH4-M) IDE Controller [8086:24ca] (rev 01)
00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller [8086:24c5] (rev 01)
00:1f.6 Modem [0703]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller [8086:24c6] (rev 01)
01:00.0 VGA compatible controller [0300]: nVidia Corporation NV34M [GeForce FX Go5200 64M] [10de:0324] (rev a1)
02:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401 100Base-T [14e4:4401] (rev 01)
02:01.0 CardBus bridge [0607]: Texas Instruments PCI4510 PC card Cardbus Controller [104c:ac44] (rev 02)
02:01.1 FireWire (IEEE 1394) [0c00]: Texas Instruments PCI4510 IEEE-1394 Controller [104c:8029]
02:03.0 Network controller [0280]: Intel Corporation PRO/Wireless 2200BG Network Connection [8086:4220] (rev 05)

ifconfig
eth0 Link encap:Ethernet HWaddr 00:0f:1f:11:be:89
inet addr:192.168.2.5 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::20f:1fff:fe11:be89/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6990 errors:0 dropped:0 overruns:0 frame:0
TX packets:5224 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6949339 (6.6 MB) TX bytes:903873 (882.6 KB)
Interrupt:11

eth1 Link encap:Ethernet HWaddr 00:0e:35:40:d0:ae
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:59884 errors:0 dropped:0 overruns:0 frame:0
TX packets:7705 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:7 Memory:faffc000-faffcfff

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1896 errors:0 dropped:0 overruns:0 frame:0
TX packets:1896 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:94432 (92.2 KB) TX bytes:94432 (92.2 KB)
ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0f:1f:11:be:89
inet addr:192.168.2.5 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::20f:1fff:fe11:be89/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6997 errors:0 dropped:0 overruns:0 frame:0
TX packets:5225 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6949787 (6.6 MB) TX bytes:903937 (882.7 KB)
Interrupt:11

eth1 Link encap:Ethernet HWaddr 00:0e:35:40:d0:ae
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:60253 errors:0 dropped:0 overruns:0 frame:0
TX packets:7756 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:7 Memory:faffc000-faffcfff

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1896 errors:0 dropped:0 overruns:0 frame:0
TX packets:1896 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:94432 (92.2 KB) TX bytes:94432 (92.2 KB)

Many thanks.