Can anyone explain to me the difference between these churches: Presbyterian, Baptist, Methodist?

I'm currently church-shopping. i.e. I'm going to different churches, to see which one I'd like to settle down at. I've only been to non-denominational churches, but this last Sunday I went to a Presbyterian church. And that got me wondering whether or not I'd want to stick to a non-denominational church or if I'd be ok going to any of the aforementioned types of churches. So, if anyone can help me out that'd be snazzy.

It's actually really easy to get involved in church and what not. Everyone's super nice; last night two people from the Haverford Christian Fellowship visited me in my room to tell me about bible studies and prayer sessions and local churches. It's all very accessible and no one's super pushy. Everyone's so eager to give me contacts at different churches and help me with transportation, etc. Ah, I love my school =D.

I want a Stanley Steamer for my apartment. I want to suck all the dirt off of it. Ah, I want to pour cleaning chemicals over everything!!!!