The first bug I noticed was that I have a question Java (1.6.0_15) not working on Mac OS X Snow Leopard (10.6.2). Why? that has been viewed over 1000 times yet I never got the Popular Question badge? If you check here you can see what I mean.
The second bug would be that "I think" I should have the Electorate badge by now with over 980+ up votes? Again I said "I think" because I have no way of checking the statistics. I have checked other users too that have upvotes in the 1000+ range and they also have not got this badge so I am wondering if there is a bug or the 25% on questions has not yet been achieved?