I've generally heard good things about these. I hated the feel of the one our club auctioned off a few years ago, but I picked one up at a gunshow Saturday and it felt MUCH better. Probably had a different backstrap installed.Check out the S&W M&P line. I was so impressed with the 40c that I replaced my long-time G23.
Wilson KZ45. The Walther P99 and S&W M/P look pretty strong as well.
There have got to be 25 polymer guns better than a Block, even if there are only 26 total.