Did you damage just the pedal or the crank aswell? If the crank is ok you can buy any platform or caged pedal that you like just decide on how much you like to spend.
Now I use DMR V8 because they where on the bike i bought, not brilliant bearings, not the lightest but good grip and ok price...
I have used expedo, alot fancier but also much more expensive...
have a look at
www.tartybikes.co.uk/platform_pedals/c23.html
www.chainreactioncycles.com/Categories.aspx?CategoryID=209&SortBy=SalesRank