Looking for a Good Opinion on PSU's.

[Trainzer]

I really want to get this sad 330W PSU out of my computer, and a nice new 600-800W PSU in it.

Here's what I need powered:
- Motherboard Specifications, IPILP-LC (Lancaster8) Compaq Presario SR5233WM Desktop PC - HP Customer Care (United States - English)

- An independent graphics card.

- Hard Drive

- Two Disc drives (one will be added to the current one drive)

- Possibly another HD...

So what is the best (in quality + price) that'll do it? Share your opinion, and please let me know of what to avoid!

Cheers,
Joshua