The only other advice I can offer, kat, is "Don't delay!"
Over the years I've come across many students wanting to organise their bibliographies, but I've also known people with extensive collections of LPs who want to make it easier to retrieve info; both groups have hit the same wall. They don't think about creating something they can use until the task of data entry is more than a little daunting; when they've only got a small amount of data, the notion of creating one to handle only a couple of dozen entries seems 'over the top'.
Start now. Some clever wally will come along and tell you how to transfer your data from this system to that system later on, when you need it. But don't leave that too long either.