Re: Intel hybrid graphics not detected, where best to put 13.04?
1. On the newer i5 CPUs, the Intel GPU is actually on the same die as the CPU. Therefore, it's quite logical that lspci would not detect something that's not connected through PCI Your GTX660 is a lot better than the Intel GPU so you're not missing out on anything. I don't believe it is hybrid graphics, I think it's just integrated graphics.
Other devices that connect via PCI may be invisible to all operating systems if turned off in the BIOS. It depends on implementation, but if the motherboard actually cuts power entirely to the PCI device then nothing will detect it.
2. Install 13.04 root (/) to the SSD and have /home on the hard disk. You don't need 44 gigs for / as that's more than twice as big as your / partition is likely to need.
I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary. My instructions will work within the Ubuntu system, instead of breaking or subverting it. Those are the three guarantees to the helpee.