I am not a pro, but i would go for an Amiga anyday over emulation. basically u get what u pay for. I just got an A1200(stock) used in v.clean condition with tons of games(900+ disks of games,utilities..etc),2 joystics,external drive,manuals and some other stuff for around 100 pounds (around 150 Euros) which i think is a good deal. will get it by next week.
check the following deals,u might be interested in one of them:
A1200 with 2GB HD:
A1200 with 1.4GB HD:
A1200(stock) with Joystick: