Yeah
Recommended wattage levels are a load of BS
I'm running an AMD64 3500 on an asus a8n sli deluxe with two geforce 6600GT's, two optical drives, two hard drives on a 350 watt enermax, been running for years, best suggestion:
Buy a decent powersupply that is efficient and stable, I only used a 350 because I had it spare and its worked flawlessly
You should however try and get something that is recommended, but dont spend ?100's on it...