IMAX2 is on schedule for me today and I'm half dreading it, half excited.  I've been doing Cathe's May rotation and I'm really enjoying it so far.
On a side note, I was always under the impression that sweating meant the release of toxins from the body as well, but I just learned, in one of my exercise science classes, that its a myth.  Sweating is a function only meant to cool the body.  I was kind of disappointed to learn that...