I've bought second hand through both dealer and private. No problems with either as long as you do your research and know your values.
On the finance side of things, I work as a finance broker. Feel free to pm me to check on any deal you are offered. Happy to let you know if you are getting a good deal or getting ripped off.
Sweet! Thanks for putting your hand up to help. Its not for a while off yet, but i will defiantly keep this in the back of my head. Cheers bud.