There is a lot of debate about titanium hammers versus steel hammers and the debate has been going on for a few years now. The questions all address whether titanium hammers are worth the cost, which is sometimes 4-5 times more than a steel hammer, and do they REALLY prevent injuries. If you are a fan of titanium, here is a recent review after a field test. Mark Martinez, the original inventor of the Stiletto TiBone hammer, recently released his newest invention: the Martinez Tools M1 Titanium handle hammer.The M1 has a titanium handle and a replaceable steel head.
If you are thinking about switching over to titanium, read a detailed review here before you drop over $200 on a hammer.