Hi there,
I had a quick search and this website jumped out at me.
http://www.pellpax.co.uk/acatalog/Co2_Powe...Air_Rifles.html
They have the rifle there you posted about, £5 more, but with a scope, which I don't know if you are getting from your other deal. I personally, would get a spring powered rifle, as from what I have heard, they seem to be more consistent with the power output.
I currently have a Weihrauch HW77, which I am really happy with. I have previous experience with a Cometa (My first rifle), and a Webley, although can't remember the model name. Thought both we