My friend told me that 'Apple Lossless Format' is the best, but i think FLACs are the best. Your opinion?

I need to extend my Sennheisers, so a place to get a soldering iron that isn't crap (walmart) would be nice. My $8 one died out, the tip doesn't even get hot, only on the sides.

How realistic is the technology behind this; I've been think about getting these to replace my Roccat Kave. My Kave havs been the best 5.1 I've had; especially when compared to Logitech's 5.1 Basically I am asking if anyone had previous expirance with these Psykos, and if not, what headphone...