Alright, well first of all that place is a good place to get shells from - especially if you live in the UK. Also, that is a pretty good first mod if you don't want to solder. If you are willing to solder, a USB charge mod is also pretty easy. Check out the tutorial section, and you can look at all the different tutorials we have, and decide for yourself which mods you think you might be able to do.
Any more questions, just ask