haha, cant learn if you dont ask, so keep asking
Debug LED: if anything goes wrong with your PC and it wont POST, you will know why from the codes that passes through this onboard POST Card, which cost 36$ seperate
BIOS reset: there is a switch on the back to reset the BIOS which will come in handy when OCing
Heatsinks: they use heatpipes to cool the chipset, and they even have a heatsink on the voltage regulators which can really give you problems sometimes when your doing some hardcore OCing
Ports: it has both optical in\out and 6 analog hookups to get some good surround going. Dual LAN ports will allow you to bridge connections to another computer. eSATA support for ultra fast transfers from supported external HDD's
Abit: since its an Abit, you know your going to get good quality, and Abit makes there boards with OCing accounted for so they make for GREAT OCing boards.
pair this boards, your Q6600, a good cooler and you will have an OCing beast! if you go with watercooling, you could get that baby quite high if its a good chip. im sure the motherboard will be up for the task!