A good feeling isn't it! Now get your MAC and forms you think you need for registration, and go to your nearest local DVLA centre. They will advise you on all the forms they think you need and book your reg inspection while your there.
With the MOT, it seems as though they have different opinions, depending on who you speak to at the SVA. Take a chance and go to the DVLA centre will save quite a bit of time, as if it's done by post, they sit on it a bit. They will also check the forms you need. And advise if an MOT is needed. Mine did not. John Dry did I think. Same time SVA roughly. Ian's did not. A bit later.