No reply from Asus directly, but their website indicates the
C2D has been compatible since Bios 0302.....
Scan still offer the Bios updating service for the fainthearted (like me!) at £10 +VAT and will flash the mobo before shipment if you arrange by telephone.
This will be my first overclocking adventure and I've downloaded all the 'how tos' I can find.
However, if anyone who has actually overclocked the E6600 would like to email me privately, with advice/tips....I would be eternally grateful.
Does anyone know what Stepping is currently out in retail?