I've been scouring through the thrift stores and antiques shops locally for a year or so, and I always see the Gems in there. I know of some really nice ones in a few of the shops, but never really was inclined to try out a single edge. Lately I've been considering trying one out, but info on them is more scarce than the Gillettes. So I thought I'd ask here for a few quick tips on what I should and shouldn't look for in picking one. Any pointers that you all can give me? The ones I've seen range from around $12-$30.