Well I am gigabit now. Got the parts need as xmas presents. It was pretty easy. Longest task was setting up my DHCP reservations, and making the router swap over. Still only took 10 minutes of downtime as I configured from my laptop while the old router was still hooked up. Its too bad Cisco/Linksys did not have an upgrade facility, I online chatted with them just prior to doing to make sure they did not. The gui on the e3000 is pretty much identical to my "old" wrt150n, so it would be nice if common type settings could be exported then imported to new device somehow. The wireless was a bit wonky. My devices didnt like the new router a first, and the dual band was confusing as to which one I should be looking for, or if they shoudl have the same ssid. Luckily I have an apple airport that provided me wireless on my laptop during the process.
My only hickup was that my weather pc would not connect as gigabit. But that was user error. I have so many cables up in the weather shack, I thought I had the pc plugged directly into old router, but it was still plugged into a 4 port 100 switch.
So when I moved all the cables during the router swap, it was not gigabit'ing.
The speed is much faster. But as some of you indicated the os must be the bottleneck. I tested using my mini mac to gigabit NAS, and also up to my Weather pc. Transfers that should technically take a few seconds are coming in around 30-40 seconds now.
new setup
Cisco Linksys E3000
SE2800-CA 8 port switch
Still have a 4 port 10/100 switch in weather shack room for slower devices like ip cams and work laptop and the old 8 port 10/100 in basement feeding other devices around the house.
My "LAN room" in the basement looks more like a cockpit with all the flashing lights now.
Andrew