whats good and wheres best to get 1??

there are soo many the missus is lookin at
epson
cx6600
rx420
mostly ebays no good cos they go for more on there than new in the shop down the rd

searches come up with revews and sh!t

there clever bits of kit, wanna buy 1 but dont wanna get stitched on it (her bro just paid 100 quid for 1 thats 70 on net at same shop )

all help appreciated Ta