The Washington build is well underway, will probably still be in the region of 8-12 weeks depending on where you are in the town. There is still a lot of work to do.
Of course it would be a good switch! Of course I'm biased though... but for me the choice between an 76Mbps VDSL or a 350Mbps cable service is a no brainer. V6 box is a tremendous bit of kit as well. You can pop into the VM store in Newcastle sometime for a play with the kit if you need to try it