Re: ASUS X55C and Ubuntu 12.04 or 12.10
my advice would be to try dip your foot in the pool by dual-booting. I would also make sure your connected through ethernet before installing and that will save hassle. When I installed on my Asus production machine, it was connected through ethernet and all the drivers worked perfectly.
Asus G74SX ROG Intel® Core™ i7 2630QM Processor 12GB Memory NVIDIA® GeForce® GTX 560M with 3GB GDDR5 VRAM 1tb Western Digital Hard Drive, 500gb Western Digital Hard Drive, 1.5 tb Western Digital Hard Drive, 2 2TB Western Digital Hard Drives.