Hi!

I'm planning to build my first rig. I was wondering if this build was legit.

HARDWARE
ASRock 890 GX Extreme 4 AM3 w/ 3 PCI-E 2.0 slots
HIS H695FN2G2M Radeon HD 6950 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity X 2
XFX PRO750W XXX Edition Semi-Modular 80Plus Silver 750 Watt Power Supply
AMD Athlon X2 245 2.9 Ghz AM3 processor
2 GB Crucial DDR3 1067 memory
Western Digital Caviar WD800BB 80GB 7200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 3.5" Hard Drive -Bare Drive

I plan to overclock the cards and underclock the cpu. I also plan to boost the 6950 to unlocked 6970.

Any tips?