Ok, so this is the thing: I' ve been playing the keyboard on my own since I was about 8 years old or so, the thing is that I have been improving with time but all the keyboards I've had have been pretty lame...(3 casios 1 yamaha) the newest one is a Casio wk-1250 which is not so bad if it wasn't for the fact that the reverb function stopped working....So now Im looking for a new keyboard, but is hard to choose...I would like to learn abouth synth and more professional keyboards, still there are many options...More than anything Im looking for a keyboard tha can import export midi files and sounds, and that has neat features like modulation/pitch, sound editing, etc (plus a good price, 'cause I don't have a job right now)I'm thinking the roland xp-50 would be a pretty good choice...any suggestions?

My first proffesional keyboard was a
Roland U20.

You can probably pick it up for about $200 £130 now..
best keyboard I ever had

And now i use trity and tritons.
U20 Its a classic.....