One of the cheapest prices I have seen for a Pay as you go Blackberry Curve! I don't think you have to add a top-up to this either.
Found this deal whilst searching for Blackberrys and thought this was a great deal. Here are some specs:
Weight 106 g
Size (mm) 109 x 60 x 14
Talk time (up to) 4 hr 30 mins
Standby time (up to) 408 hr
Charge time (up to) 2 hr 30 mins