Your current question is a fairly common one - spend some time reading in the FAQs forum and reading the 'sticky' posts (ones with the red push pin symbol next to them) in the other forums. I am sure you will find the answer to most of your questions. There is also a great search engine for the forums, at the bottom of the screen , called fitbuddy - you just put in keywords and it will pull up relevant posts. Usually you can find the info you are looking for.
If all that fails, then post a well-thought out question and I am sure you will receive some great suggestions. :)