Hi everybody, I am a newbie here and so please be gentle! I am making the jump from PC to Mac and will be looking to purchase a 15" MacBook Pro in August of this year. My question is simple - Is there a newer model in the horizon or would I be OK to purchase. I guess I don't want to be in a position where I buy one in August and find out a few weeks or months down the road that a newer model is announced. Any hints and tips welcomed.