I needed some trucks for my sons skateboard and didn't know a whole lot about the difference between a good and bad one until I went into West Side Skates. I learned so much about skateboards I could probably qualify as a consultant to novices out there. Really cool guy, he showed me several different types and instead of trying to sell me the most expensive one he suggested I purchase the one that will benefit my son the most with the type of boarding he does.
Very trustworthy, you can count on anything he says and the prices are reasonable as well.