that is a wonderful job on that 9650. The phenom I are kinda overclock dogs.
That is one chilly CPU 3.2 @ 32deg is really nice . heck my 9850 idles at stock at 35-40deg.
if you are just wanting to see how high you can take it you might push the volts up a bit I'm no expert but I think 1 you could go 1.5 on a phenom but not any higher than that.
I think you are kinda stuck there without an unlocked multiplier.
I would not try to push it any more. I think getting 3.2 (or the 3.0 I would run on that) out of an OC dog of a 2.3 is more than you could have hoped for.