keyboard problems

[joe75249]

can anybody out there tell me what portable keyboard can i buy that has the capabilities to be able to loop the beat that you make on it and has the capabilites to record in real and step mode. i bought the yamaha psr 228 and it loop what beat you make but it didint have step record mode i just took it back and i purchased a casio ctk-671. i see that it record in real and step mode but i can seem to find any way to make the beat loop. some one told me about away to copy the beat and paste itlike that and it will loop but i have no idea waht the are talking about and i didint see any thing like on the keyboard if anybody can help me with any one of these problems it would be appreciated