Stiff, but tacky. My main putter is an APX swirl and a chalk Wizard. I've beed trying out the Pure putter though. It's tacky, stiff and fast. Since I push putt (not the turbo version) I can have an even smoother/slower motion with the Pure putter. Score another point to the Swiss!
For putting I use Omega Super Soft.
Aviars for "everything". I like the DX Aviar kind of tacky/soft, but the last time I got them like that was some pink ones I bought in 2005 or 2006, but I only have one left now:( Why did Innova change them...?