There was a comp on OCUK forums with the 1mb Super Pi..
http://g0ng0r.com/pics/ocuk_superpi_top50.png (Thats some of the results)
I think Seti/MSN, etc affect it alot.. you'l probably get in the region of 32 secs with that overclock at the minute. Is that your max overclock with stock cooling, or can you push it further ?