Looking for suggestions/recommendations on 64-bit Linux machine

Sorry this is a little bit OT, but would appreciate any 
suggestions/recommendations on 64-bit Linux machine (processor, Linux 
distribution, vendor, etc) for FPGA development.

Thanks,
Jim
Jim (jimwu88NOOOSPAM@yahoo.com remove NOOOSPAM)
http://www.geocities.com/jimwu88/chips