For most, the answer is no. The setup is far too complicated. Certainly you can't hook both to the cable modem, but if one could hook one up to the other such as...
Cable modem > (10/100 cable) > G-router > (10/100 cable) > another G-router, then... Both can't be on the same IP plan and not on the same frequnency.
The setup would be definitely "expert only."
is it possible to use two microsoft routers on one internet connection at the same time.....cable modem in basement which limits range and i have ethernet cable to the second floor of my home to place the other one...everytime i try to connect both i dont have a wireless network but when i disconnect the upstairs router the system starts working again