We stock Casio Keyboards, we feel they represent great value for money and have excellent features and they sound very good. They match all other leading brands and tend to be much cheaper in price.
Casio WK 3500 , six octave with six track sequencer , disk drive / midi file player, registration, rhythms, and tones , value for money
Casio CTk 810 series , with piano style keys, and rhythms and tones they sound very good, also has display screen.
Casio CTK 900 General midi internet keyboard , they have just about everthing on board. really good keyboards.