Do we think we'll see tweaks to old classes or just power balance changes to the new ones? Similar to the weapon balance portion of the BWU, the wording was super vague. I hope we get more concrete details soon--anything to keep hope alive until December.
I'd love to see:
Hand cannons buffed to near old values. he way legendary hand cannons performed before was fine and it was a few exotics that have largely been left behind or nerfed into the ground that caused all the havoc. Damage dropoff at range is great, but RNG-esque dice rolls for bullets landing when fired in rapid succession sucks. Bloom is for plants, not pistols.
Significant tweaks to old and new classes. The new classes have a lot more perk synergy than most the old ones. A slight nerf to Sunbreakers (in PvP if possible, they're fine in PvE) and a few buffs to older classes would be welcome.
A kinder economy. Increased mark caps and activities that grant them. Drop rates on motes, parts, and coins increased.
Double-RNG raid loot removed. Items dropped from endgame activities drop at their highest possible light level. If you want people to invest in sideways progression by using drops to upgrade their favorite spec'd armor, what's the harm in giving them top-level drops?