Hi ,

The Roland E50 seems to have a clean layout , that may work for you , and it is within your price range. { link > }
http://www.bonnersmusic.co.uk/buy/Roland/E50_Keyboard

Or if you want 76 keys , this to may work:
http://www.bonnersmusic.co.uk/buy/Roland/E60_Keyboard

Best of luck to you.

Later,
Gary 

[This message has been edited by jedi (edited 04-14-2008).]