I can completely understand the desire of SH1 router mode users to switch to a SH2. It's a head & shoulders improvement on its predecessor based on my own experience over the past 6 weeks in router mode.
I will be switching back to modem modem when all the trials are completed but I don't feel that I have to at all.
Incidentally I've got three wireless devices operating within a few inches of each other and I have no collision problems; two are on the VM network, one is on the BT Infinity network.
Plus this amazing TBB graph:
