PSU for a really old rig

[Thumba-umba]

Simple as title says. After 12 years of smooth-running my 300Wt InWin PSU inevitably started excessively heating up and giving BSODs to PC. Cleaning did not help. Might be something with capacitors.
So: Will i be able to pick any good PSU for such an oldboy? I sincerely want to keep my oldie running for oldschool games, but is there such a thing as good used PSU? And if there is, where in the price range should i look?
Here is the rig, just in case:
P4 HT 2.8E (SL7KA)
Stock coola'
Asus P4P800
4x Hunix DDR400 512Mb
Radeon X1650 Pro
Seagate Barracuda 7200 80Gb
Some 3.5 Floppy
Some LAN Card

 

[ComputerSecurityGuy]

Fortunately the PSU standards have not changed. Capacitors could be an issue though. See if they are burst on the caps and/or they have brownish stuff leaking out.

 

[reedo_43]

You will need a power supply with a 20 pin connector not 24 or at least on that lets you split it off.

 

[Thumba-umba]

Fortunately the PSU standards have not changed. Capacitors could be an issue though. See if they are burst on the caps and/or they have brownish stuff leaking out.

Okay, i'll check it out once more next time i get access to it.