I wouldn't recommend the DG834G for use with ADSL Max 8 Meg, there are too many cases (me included) of problems wih the noise margin reporting.
I have used a Speedtouch 585 which is excellent on the modem side but the wireless range isn't too great.
If cost isn't an issue I would recommend a Netgear DG834N, my current router, which is both excellent on the modem and wireless side. They can be pricey but if you shop around you can get them for under £70. Some places are doing bundles with wireless adapters for little or no extra charge.