To be honest, you might as well spend some extra money and get one of the D-Link routers which contain a built in modem. It saves space and electricity by only having to power one device instead of two. Look at user ratings on other sites too like Amazon and see what people have said. We moved away from D-Link a while ago because we got fed up with the menu system and the constant problems, and we've had a few D-Link routers. That said not everyone experiences the same problems, but you might want to look at Netgear routers too, we have the RangeMax™ NEXT Wireless N ADSL 2+ Modem Router - DG834N and it's pretty robust.
You can find builtin modems with routers for relatively low prices these days, but if you're really concerned about money then the one you chose seems to be a fair choice.
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One more question.. If I get this.. is there anything else I need for the computer or what? I've never used a wireless router before..
