If your party can't sit down and explain there character concept discuss them rationally and then organise them appropriately your party is probably going to have a lot of problems down the line with party cohesion. I find the best way to deal with this is let the players sort it out. So if...
The problem with people using high amounts of points to generate characters is that larger stats are exponentially more powerful that lower ones. This is because almost every stat in the game effects multiple things. Thus all you are doing by giving characters more points is making it harder...
Players love rolling stats. Therefore I found that an interesting way to do it is to have everybody roll up a set of 6 stats using 4D6-L and then put them into a pool and let the players divie them out. Just tell them before the game that if their character dies they have to make a new one...
You all realise that synergy doesn't stack don't you?
Also check his item's he may be trying to use a circlet of persuasion plus a skill boosting item however they are both competence bonuses.
Spamdrew