So, at the moment I have three lenses, a Tamron 17-50, Pentax SMC 50 1.4, and canon 70-200 f4.
I am considering selling my 17-50 and getting 2 more primes. I would do this to my 70-200 also, but that would be very expensive.
I feel that a 14mm prime would be better than the zoom for follows...