Tinker with what. What types of 'configurations' are you changing?
I'm talking more about loading the apps that you need and making them work with all of the hardware in the box. The biggest challenge to laoding this build was making all my hardware work, but once I got everything working, I can literally do everything I need to do on it, and I now use it for almost everything except digital photography. Getting a particular piece of hardware to work within Linix can sometimes be a challenge. I had a very difficult time getting my wireless NIC to work, and ended up plugging directly into a hub untl I could figure it out. That endeavor forced me into the forums, and opened my eyes to all sorts of little 'tweaks' that can be done.