the much cheaper TexMex pickups could be an option in the mean time, wont dent the pocket to much but have an awesome sound.
i upgrade a MiM some time back with them and havent never felt the need to upgrade them any further.
http://www.musiciansfriend.com/accessories/fender-tex-mex-pickups-set-of-3
https://www.sweetwater.com/store/detail/TexMexSet