I'm holding off on 1.7.2, been working on it for a bit trying to make a pack, it's just an absolute nightmare... Bigger issues being rendering bugs, with no real "fixes" due to being an outdated version of minecraft...
I honestly feel like playing 1.7.2 is a mistake, it's a good call to get things set up, and prepared before the true time to move on for modders... But overall with what there is to work with, and the number of 1.7.(number here)version, I think it should be a danm clear indicator that it was a half baked version of minecraft to begin with.. It's in a transitional stage... And with .9 we have at the very least, a final attempt at version cleanup, and the real version that we play.. Forge 1.7.9 is on the horizon, Not going to waste my sanity dealing with bugs that are on minecrafts side that are version specific.
Id conflicts were a pain in the butt, but crash loops and having to start worlds over, disabling major portions of mods because of a dumb render bug? I'll pick the poisen I deal with in one swig, that let's me enjoy the rest of the experience.