Hi,
any DSL router will do, which connection speed do you have?
I have a buffalo router that is on the 20meg connection and it seems fine excellent signal and has never dropped a connection in over a year
i did have a netgear one before and the signal was rubbish couldn't connect more than 10mts away.
i would certainly buy one that has got 54g with something like speedboost that up's it to 108mbs or 125mbs as the standard one's i have found don't pull the full 20meg.
hth