^ The AMD's are more than enough and at a great price point you are helping the underdog. It's a healthy underdog, but one nonetheless.
I would advise someone in your situation to look at a fine AMD dual core 260 @ 3.2Ghz ~72.00
NCIX.com - Buy AMD Athlon II X2 260 Dual Core Processor AM3 3.2GHZ 2MB L2 Cache 65W 45NM Retail Box - AMD - ADX260OCGMBOX - in CanadaNCIX.com - Buy ASUS M4A785TD-V EVO/U3S6 ATX AMD 785G/SB710 AM3 DDR3 HD4200 2PCI-E16 SATA3 USB3.0 HDMI Motherboard - Others - M4A785TD-V EVO/U3S6 - in Canada
^ This is a fine ASUS Full Size ATX (Video/DVI/HDMI On Board with Add-On slot for a third party video card should you decide you want one later on). Nice board...
ASUS M4A785TD-V EVO/U3S6 ATX AMD 785G/SB710 AM3 DDR3 HD4200 2PCI-E16 SATA3 USB3.0 HDMI Motherboard ~100.00
Muskin 8GB DDR3 (1333MHz) ~45.00
NCIX.com - Buy Mushkin Enhanced Silverline Stiletto 8GB 2X4GB PC3-10666 DDR3-1333 9-9-9-24 Dual Channel Memory Kit - Mushkin Enhanced - 996770 - in Canada
Antec 450 Watt Power Supply with Dual 12V Rails ~50.00
NCIX.com - Buy Antec Basiq VP450 450W Power Supply ATX12V V2.3 Dual +12V Rail 120MM Fan - Antec - VP450 - in Canada
Question Ropey. It's been my experience that Linux and Radeon don't play well together. Has that changed?