I currently have a pair of the LunarSwifts that I'm using, but I'm only using them because I bought them and don't want to waste shoes. I thought they were going to be much lighter than they were; no weight was listed, otherwise I would have gone for the LunarElites. I'm a minimalist, mid-foot striker with good form, and the Swifts are my heaviest shoe right now by at least 2 ounces per shoe. I like them well enough, but it's much more shoe than I'm used to wearing. More shock absorption than the Speedstars for sure, but not as smooth of a ride.
I work in a running store, and while I've never owned the LunarGlides, I've tried them on our treadmill. I have owned and immensely enjoyed a pair of Speedstars. I have a pair of the current model on order, and am greatly anticipating their arrival. Our Asics rep was in the store the other day and showed us the DS Skyspeed; I was impressed. It's a bit heavier than the Skyspeed, but substantially better cushioned. The ride is equally smooth and responsive. I like the seamless upper of the new Speedstar, but I'm a Pearl Izumi fan, so that for what it's worth.
Speaking of Pearls, if you like lighter weight stuff that still has good cushioning, look into a pair of the Pearl Izumi SyncroFuel. It's got a seamless upper like the new Speedstar, but with a little bit more substance to the shoe. It's a bit firmer; too firm for me personally. But the cushion you get for the weight is substantial.