Yeah, I feel the same as my Stiches...My last game I had an 80% hook accuracy, and I was the only reason we were even in the game. We ended up losing because no one followed through.
But like my Arthas? He is a boss. I have him at 89% win ratio, out of 18 games(have only lost two). I just feel like playing him...I don't need a good healer. Hell I don't even need good dps. All I need is people who attack a target I try to shutout/lock down and don't get killed/let them attack me. If I am able to do that I have won the game.
Xul has been my cheese hero. I just recently had an Infernal Shrines game. My team bitched so hard that I did not come to the first objective...but by the second one what did we have? Level 10 while the other team was still 8. They did not realize I had carried them to that and continued bitching at me.
Though to be honest...even though I seem to be doing very good as Arthas...it isn't exactly fun. I like to be playing wierd heroes like Murky, Aba and support and such...but I can't seem to win with them. :/