I've recently bought the A7R, and am starting from scratch, having disposed of my Leica some years back (possibly a mistake) along with lots and lots of Leica glass (a huge mistake) when in an aberrant moment of madness I decided that purse size point and shoot was the practical way to go. So ... having bought this A7R plus the two Zeiss FE primes, the 35mm f2.8 and the 55mm f1.8, I'm in a dilemma as to whether it's worth getting the Zeiss 24-70mm f4. Whereas part of me says you have what you have, now have patience and wait for a 21/24mm fast dedicated prime from Zeiss coupled with a 90mm'ish lens from the same stable, another part of me says compromise get the 24-70mm now regardless of any primes I might consider once (if?) they become available, as it'll always come in handy as a travel lens. Any thoughts?