Welcome to the forums!
It looks like you are doing fine on your own so far
I would recomend reading through the following as they should answer most of your questions:Core 2 Overclocking GuideCore 2 Temp GuideMemory FAQ
As for advice on where to go from here...
Keep pushing the overclock until you hit the limits!
Motherboard, RAM and cooling willing, your CPU should have no issues running at 3.6Ghz or higher.