Last week I ordered a Celeron 300a, BH6 and some PC100 memory. What I got (on Friday)was a Celeron 400 (SL39Z 98491456) instead. Since it was the weekend I decided to overclock it and run some benchmarks before I decided exactly what do to with it. Couldn't get it past my Win98 splash screen at 500/83 (didn't put much effort into trying to get this to work out of sympathy for my old HD) but it's running rock solid at 450/75. Here are the benchmarks and the reason i'll most likely send it back and get a 300a.

Sandra: mips 1188, mflops 587
CPUMark99: 33.4