Definitely! Our implementation of a WoT score and/or rating system for products and sellers is currently being fleshed out. Might make it one of our milestones for round 2 of Top Builder.

That's actually a good idea, nothing sounds more trustworthy than a distributed reputation system, the thing is... how possible would be for a user to just create profiles and say he performed transactions with his other profiles in order to farm himself this socre or reputation?