I think if you've been offererd £110...you should take it - I doubt you'd get anything like that on here.
From my point of view, the broadband market has peaked.
I'm not saying it's finished - but the way thing are panning out peoples' connections are going to be bundled in with some other kind of service.
Example
Sky +free broadband
Orange + free broadband
Talk Talk + free broadband.
NTL package phone, tv, broadband +free calls etc etc
It's a new reg.... at £110.. I'd deal