Considering a move from a B7 to a B8

I have had my 07 B7 S4 since July of 2014 and have enjoyed modding it and of course driving it. However I am considering moving into a B8 model. The two main reasons for this are to move into something newer and to avoid the timing chain issue. I have enough mechanical skill to pull the engine and do the job but am debating if I shold just not save that cash, sell the B7 and put it all towards a B8. Here is the rub. I am wondering if I will never get beyond my love for that V8 and how it pulls like a rabid rhino around 300k. Have you owned a B7 and now have a B8. What are your thoughts if you have?