What you need a close look at the "good" and "FOOBAR" lists of makes and model lines to consider. There are several better makes as well as several on the "bad list even some lines of model by good names but bottom listed.
Good:
Antec(except Smart Power models) - Astec - AOpen - Channel Well - Coolermaster - Enermax(except Liberty models)
- Enlight - Fortron Source (Sparkle) - HEC - OCZ Technology - PC Power & Cooling - PowerMan
- Seasonic - SilverStone - Sunbeam - Tagan(older models) - TTGI/SuperFlower - Vantec - Zippy / Emacs - Verax - XCLIO - Zalman
- Corsair - Ultra
Bad:
Allied - Antec Smart Power models seem to lack(recommend True Power or NeoHE) - Aspire - CoolMax - DEER - Enermax Liberty models - ePower - EYE-T
- KingStar - L&C - Linkworld - Logisys - PowerMagic - PowerUp - Powmax - Q-Tec - Raidmax - Skyhawk - Star
- Turbolink - ThermalTake(complaints heard some good some ???) - Rosewill - SilenX ??? ToPower(newer models)
The next question of course is the price ranhge you have in mind. For a good 600-700w supply you will spend a little more. Sometimes you can grab a good one with a factory mail in rebate or simply on sale for a good price. How about a Corsair HX620 model?