Cable router question

[Dreamcaster]

I will be moving house sone and plan to have my broadband through virgin media which is cable. I have always had adsl so am new to this. My question is would this work ok -

http://www.overclockers.co.uk/showproduct.php?prodid=NW-090-NG&groupid=46&catid=116&subcat=

Or would i need anything else to go with it? We are having a package deal so i believe the modem is build in the set top box?