commenting so I can follow this thread. I didn't read back, and I'm really just learning this whole discount/coupon thing, but there is a deal right now where if you leave a review, you get a one-time 50 percent off coupon:
http://evocalize.com/consumer/busine...a22f18b/search
The coupon I received was good for one month, one time. I submitted multiple reviews, but you only get one coupon.