Something Like, but certainly not limited to:
Corsair 450VX
Fortron 450 Watt
All would be fine, or anything between these tiers
Medium to Low End Gaming machines.
Antec
AeroCool (Silver Line 550 Watt)
BeQuiet! (Dark Power Pro Models)
Enermax
Coolmax (Green Line and Taurus Series)
Ultra (X Finity, X3's Models, X Pro)
Hiper (Type R and Type M only)
Mushkin (Excluding HP-550 Model)
Sunbeam (NUUO 550W)
Fortron (FSP)
Inwin (FSP Models Only)
CoolerMaster (Real Power Series Only)
OCZ Technologies
xClio (Stable And GreatPower Models)
Zalman ( ZM360B-APS)
Absolute Low End Builds or You're A Cheapskate.
ThermalTake
Fortron (FSP)
Coolmax (Green Line And Taurus Series)
Sunbeam
AOpen
AeroCool (Silver Line 550 Watt)
Enhance (ENP-5140GH)
Zalman (ZM360B-APS)
Nexus
Sparkle
Seventeam (ST-420BKV 420)
Rosewill
Inwin (FSP Models only)
Power-Man (FSP models only)
Raidmax (Topower and Tagan Models only)
There are simply so many good choices, that I cannot say one over another.