[orange]

I had some of the same problems you do in a lower buy-in game. Granted it was a $10 NL homegame, but thats beside the point. I was playing below my regular limits and I was not playing good poker. I would frequently try to LAG it up, and bluff when checked to. I would often find myself being called down with very very marginal holdings, or c/r-ed more often.

The best advice I can give you is to focus very hard on your prorities in the game: play tighter and do not bluff calling stations. Those two took me a long time to get the mentality down.

You might want to try and buy-in for perhaps 50x the BB instead of 200x. It will make you both tighter PF and make post-flop decisions easier (not bluff as often, etc). Your big stack is only effective if you are against another big stack. Your opponent's stack is what you should be considering when calling raises with 78o, etc.

Just some thoughts.