I think they're great. I agree they can be pricey, but not much more so than the nonsense prices that some comparable brands go for in the secondary markets.
They're definitely not just "lookers," I use all of mine and they perform at least as well as any comparable traditional.
Some of the earlier ones had some issues - but I don't think that's unique in this industry and the ones I've received that have been manufactured within the last year or so have been flawless.
Here's a thread with some great pictures and seemingly happy owners:
Titusville Cutlery Company
and another with some absolutely incredible photos:
Tuna Valley Photography