Got my E6300 that I got off of fleabay the other day to 3.5GHz stable
1.36 core v, 500FSB, 7x multiplier, 1:1 with RAM
Using 1GB Crucial Ballistix 667 @ 500MHz (single channel) 5-5-5-15 timings with 2.0v
Tested with TAT and Orthos for about 30 mins each, now for a massive 8 hour test probably