I'd go for the PSBs for video: fast, dynamic, open soundstage...For my video system I have Wharfedale Diamonds 7.1...can't stand bright speakers , especially on TV sound.
If you have a powerful amp and a reinforcing wall behind they'll deliver the bass. You can always add a subwoofer later...
Be advised the Cambridges are made in CHINA. It's an ISO 9002 factory, but still made in CHINA. Because of this fact, you will get a lot of audio for your $$$. Durability?
Don't know. I have a Cambridge D300 SE CDP and am extremely happy for what I paid for. Audio Advisor sell both brands, so they should be able to give you a good comparison.
To stretch your budget even more, goto this link:
Make some of your cables, stand and tweaks.