it looks like the midsole design over is similiar to the flyknit racers we saw at the marathon trials. and i'm not too familiar with the lunarglide but it does look like it still has a lot of the same outsole features from the 28.
ive never been a fan of the pegasus series but i am really liking the way this is looking to be, i'm definitely going to give it a try. big turn offs have been the heel height and heel toe ratio. this looks to have changed that which is what i'm most excited about (i've heard how the pegasus is one of those well-cushioned shoes, something i could probably use.)