pc case power usage question

[ueberbobo]

ive seen cases with 300 watts as well as ones with 350. when is there any need to get a 300W+ case? im planning to get a fairly decent gfx card, i hear they have a pretty huge power usage... im pretty noob as well as swedish so dont get too technical please 😉 thanks in advance

 

[Cybercraig]

Go for 400 or better for the long run. The new cards are power hogs. You don't want to run out of gas in the future.

Abit IS7 - 2.8C @ 3.5ghz - Mushkin PC4000 (2 X 512) - Sapphire 9800Pro - TT 420 watt Pure Power
Samsung 120gb ATA-100 - Maxtor 40gb ATA - 100
Sony DRU-510A - Yellowtail Merlot