There is so much information available on cloth nappies it does get really confusing. The key things you need to decide are:
1) what type of system - two part (a fabric nappy with a separate waterproof layer), a pocket nappy where the waterproof layer is part of the nappy (these come in two types - all in ones where the booster is sewn in or stuffables where you stuff them with the booster you have chosen).
2) sized or an adjustable system - I prefer the one-size systems as you have less nappies to store for the next child but they don't tend to last as long as they are being used for the entire time you are using nappies. Other systems have a one-sized nappy but the waterproof wraps are sized.
3) what fastening - nappy nippas (the new version of safety pins), velcro/aplix or poppers. Nappy nippas apparently take a little practice (I've never used them) , velcor/aplix is by far the easiest and closest to a disposable but some children learn to undo them and you have problems with toddler streaking! Poppers cannot be undone so easily.
I highly recommend Baby Kind (just google for them) they hae a wide range of nappies and if you check in their clearance section you can pick up some real bargains which would enable you to try out a variety of nappies to see what works for you. My favourite nappies so far are Mommy's Touch All In Ones for sheer convenience - everything is sewn in together no need to separate for washing, they dry quickly and they are from birth to potty and are quite slim for a nappy like this. They also come in lovely colours - we have green, blue and red
I've used tots bots bamboozles, wonderoos, mommy's touch and one life so happy to advise on any of these. If you have any questions on using reusable nappies just get in touch - cloth nappy tree (again just google it) is a really fantastic resource for learning about cloth nappies too.
Best of luck trying them - they really aren't that difficult and you never have to worry about going down to the shops as you've run out of nappies!