rycov said:first off, no need to worry. tons of idiots keg (me for example). so you should be able to do it just fine. do a search for carbonation chart. it will tell you what psi at what temperature will give you what level of carb.
There's a chart in these handy instructions from morebeer:
http://morebeer.com/kegging.pdf
And yes, you'll love kegging. It may feel awkward the first few times you do it, but you will get to a point where you can keg two batches in half the time it takes to bottle one.