I recently ordered a Preon 1 in black and a Preon 1 in Ti. I ordered clicky switches for both. The black one came with the new switch design and a black pocket clip. The Ti one came with the old style switch and the SS clip. The old style seems stronger, but in actual use, the new one is easier to operate...and probably less susceptible to accidental turn on, but I haven't had a problem with either. After swapping the insides of both switches and over lubing the Ti switch, both seem reasonably easy to use - but the black one is definitely easier. It doesn't rattle, but is kind of soft - it's like when you have a clicky pen, when the pen is recessed, the clicky switch is tight. When exposed (when you're writing with it), the clicky switch is soft - this is how the new Preon clicky switch feels...I hope that makes sense!
I'm sure both have their purposes...FWIW, I've carried the black AL version more because I don't want to scratch the Ti version - although, it's getting pretty scratched up with the light use it's seen...I'm sure I can polish it back up to it's original luster fairly easily.
Take care, :twothumbs
MK