I'm a muso; hear me twang!

I have a problem ... I wanna learn to play just about every musical instrument in existence. Only trouble is that I'm hopeless at brass (well, judging from my whole 2 or 3 attempts that is), good sounding instruments cost too much damn money (actually, so do the bad sounding ones!), and I'll never actually play any single instrument well if I keep picking up another one!

To date, I play the guitar, bass, viola and violin. I also have a keyboard, three kinds of ocarinas, and two kinds of quenas waiting to be learnt. I can play a few rhythms on the drums, so I'm thinking that I should encourage my brother to take up my neighbour's old kit. On top of that, I reckon it would be cool to get a Sax and a Bagpipe to learn, but only if you buy them for me. :P

Or perhaps I should just stick to the ones I can already play ...