Scare you? C'mon, compiling from source is just clean fun!
First, be sure you have build-essential and linux-headers-generic installed. Synaptic is your friend. Then open a terminal and do, each command separately and in order:
Please verify you have a rt2860 device. If so, please proceed, if not, post back and tell us what you really have. Now do:
sudo lshw -C network
If your card will connect using WPA, we will have some adjustments to make:
tar -xvzf 2008_0522_RT2860_Linux_STA_v188.8.131.52.tar.bz2
In line 11, change HAS_WPA_SUPPLICANT=n to HAS_WPA_SUPPLICANT=y; in line 14, change HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=n to HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=y. Proofread, save and close. Now, do:
Does your device wink, blink and spring to life? Can you connect?
cp RT2860STA.dat /etc/Wireless/RT2870STA/RT2870STA.dat