Well, I just got a titanium tremolo block for my custom shop '69 strat. If you get one, make sure you have an electric screwdriver. Anyway, my first impression is that it is pretty damn cool, and lives up to a least a few of its claims. The first thing I noticed was how much lighter the block is. When I first picked up my strat with it installed, (which is already a lightweight sub 4lbs alder body), the guitar really felt different. It made an immediate difference in weight distribution between the body and neck--not in a bad way either. Bottom line--this is now THE lightest strat I have ever picked up. Tone? Well, I need some more time with it, but so far I do like the difference. It seems like the attack has a bit more high end snap and the upper mids are more focused. Through my McFuzz, this is a very nice thing. I need to play with it more, but all in all I think its a nice addition--worth checking out if you find one for a good price.