Depends what your looking for I guess. I would try one of these:
http://www.thethriftyshopper.co.uk/...out-No-Boil-Dried-Kit-23-Litres-40-Pints.aspx
http://www.thethriftyshopper.co.uk/...-World-irish-extra-stout-BruBox-beer-kit.aspx
Both are pretty similar kits, but the more expensive one makes more beer. Why do I recommend these? They provide the malt extract, some speciality grains, some hops. Ok, you need to buy some extra malt extract for the big one (I would use this
http://www.thethriftyshopper.co.uk/brew ... 1.8kg.aspx) and priming sugar for both, but that's ok.
By using these grains and hops you get a more enjoyable beer making experience, and a better beer. Trust me on this. Once you have started down the path of using real ingredients you will never go back to 'that all in one tin kit' again.