About the Sony news... Some of them I find useful. Some not. You can't read my mind nor can I others, so I say let it stay. With the scene news that's a defo YES!
About the Likes equal 1 rep or something we have something like this on my site. We either do a certain amount of likes = 1 rep, or 1 like equals some small number of rep. But anyways you'll be looking at L3 = R in the the same script so maybe divide? R/L3? Get a number per like maybe. But who knows.
As for signatures I like the idea. It brings out creativity.
But it can be abused so you could do another user group, like said. Like for example, Boss can put his signature as a PayPal link or advertising the User Cheat or something. It can be used to an advantage, but should be moderated.
Custom User Titles... Tag a script that only allows approved words? And it should only be for Seniors or something of a higher rank.
I know that I repeated what some said, but I'm only agreeing.