This show has been running on dutch television for a while now. At first i liked it but now every other line has them insulting each other in some way. I think that sucks.
I think it makes for a great premise because it's real. Lots of people run their lives on making fun of their friends. I don't think it's too overdone in most of the episodes and to me it never gets old.
Obviously Pete and Ashley are going to go at each other's throats because they hate one another (or do they?) and Pete and Berg are going to bicker because they are roomates. These characters are placed in certain situations and their character types are prone to allow them to insult one another. Seinfeld does the same thing you know?
My advice to you is--it's a sitcom. Watch it for what it's worth. It's more of a "real" sitcom in my opinion and the characters seem like real 23-25 yr olds to me.