For a self-professing artist, Jeff's only really good at paint-by-numbers wrestling. If he's plugged into things he can deliver his end of the deal. Those 2001 TLC tags probably still hold up as fun popcorn matches because of a few spots, but I don't think they're fundamentally good. I'm not too high on the Hardy/Young Bucks match that got a lot of praise a few years back, for instance, but Jeff is a by-part to a few great matches - even if he's probably not the leading cause for them being great. There's also the Undertaker/Jeff ladder match that people still hold in high praise - and is probably the best match I've seen between two guys I don't think a thing of. I don't find it earth-shattering, but it blew away my expectations. Jeff did what was expected of him.
There's the CM Punk feud (which I don't recall enough to give my opinion) and that's it to his positive output, really.