Updating from 10.5.2

[manofmany]

I tried installing something today and to my dismay it would only install on 10.5.3 or newer.

Anyways, I've got 10.5.2 Leo4AllV3 running great with the exception of QE/CI due to my 6150LE card and I cannot get my TSSTCorp Sata DVD burner to burn ANYTHING.

Is it worth updating? If so, whats the best route?

2.4ghz AMD X2 64 4600+
Asus board
3GB DDR2 RAM
Nvidia 6150LE
TSSTCorp CD/DVDRW
Sata Seagate 300GB

Running wireless Linksys WUSB600N which is easily workable under any circumstances to access the net. Please advise