With mixing, it's all about practice and then before you know it, it starts to go smoothly and come a bit more naturally. Just keep playing about on your decks and it'll come mate. I taught myself just by playing about with it (using a user-friendly mixer first of all - pmsl)...
A good place to see if you can get hold of muzic software is from limewire and kaaza and file sharing programs like that...
the likes of :-
fruityloops
cubase
cakewalk
reason
logic
can often be found on there...
if unsuccessful, i can get hold of most stuff with next to nothing price if that helps... :lol: