I'm in the same place, and it's a bummer.  I had the original Pronto remotes and picked up a 3000 and the 3500 when the 3000 died.  The 3500 died and I eBayed a 300, which didn't work at all.  I guess the question is whether to get an iOS only remote lacking buttons, or go with a Harmony.  I'm sadly leaning to the ultimate hub Harmony.  Other ideas?