The best way to approach overclocking is to take the option into notice when buying components for the system.
There are huge differences between motherboards in terms of overclocking..
It's possible that the mobo you have is some el cheapo stock board that does not support any kind of bios tweaking.. Dip switches and soldering things do not sound user friendly do they?
Tomshardware is a good place to read, variety of tips can be found from
www.hardocp.com (humoristic approach) so I suggest you read up on it.
Asus and Abit boards are the best choices for tweaking, although you CAN find very tweakable boards from Epox, AOpen, Iwill etc.
Read a lot of reviews and you'll soon find out which are the options for you.