I use a Casio Privia weighted piano feel keyboard at home for practice and an unweighted BK9 for gigs. I think its important to keep your technique up with a weighted board.

Take a look at the Casio's. Great Piano and decent backing functions.
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Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer