Sounds like its going to be separates, white openreach modem and router, in which case you can get the WNR2000 on ebay for around £10 or the gigibyte version from a scottish seller for £17.
Had mine for 3 months and had no problem.
The feature I love and got it for is WIFI can be switched off via a button on the back.
Personally could not justify £200+ on the draytek combo's