hey bozoy your selection is good you don't have to worry about it if you are mixing the same genre.
Play with songs with the same BPM to get the hang of beat mixing.
Try mixing some dubstep instead to help with blend timing-- have fun with it just go crazy!
edit: when you really want to get into DJing try to borrow some friends' equipment or go to the store with a laptop and ask the clerk if you could try some equipment out before you buy anything lol.
I'm running with two Pioneer CDJ 900's, a DIY built analog mixer, and a Korg Kaoss Pad sampler(its a POS).
Later when I get money Im buying a macbook and a monome for a sampler&mixer and I'm putting all my music on there.
find what equipment works well with you! like a musical instrument fitted to match your style.