You don't really progress, you just get a chance for armor perks. And come on, the best armor can be bought from Shaxx.
English
-
My main point is the fact you can pay £25 to rank up to level 25 and you also gain reputation boosters in sterling chests allowing Bungie to up the cost of reputation specific items to sell sterling chests. Again Bungie have gone against what they said about Cosmetic only.