Sound great, I'll get one for sure.
I was thinking about a second gateway, as the range on the current gateway/modules doesn't cover the house, but I'll wait for the better version.
I guess 2.4GHz just can't get through too many walls (not on low power anyway). I was thinking that the 1/4 wave antenna in the gateway (OK, it's just a module) could be improved on, as space on the gateway is less of an issue than the modules. A 5/8 would work well. I may try an experiment...