Thank you for all the information. I decided to choose a laptop like this:
http://www.amazon.com/Toshiba-Satellite-S875D-S7239-17-3-Inch-Mercury/dp/B0084830AW I read a lot about trinity the last days...the A10-4600m with its integrated 7660g AMD Graphics has more then enough power for me.
http://www.notebookcheck.net/Trinity-in-Review-AMD-A10-4600M-APU.74852.0.html I´m not a user who need a lot CPU power...i´m a casual gamer who uses laptop for older games...or who playes some newer games (but i do not need every high graphic setting).
I´m from old school...and i prefer to have a laptop who is silent. The most "gamer" laptops are too loud for me when you play games on it...i want to play in silent mode.
And the A10-4600m has 35 watt TDP for CPU AND GPU...and it has as much graphic power as a new nvidia 630m dedicated gpu. Thats for my things enough...i can play every game i like with this gpu power. and in summary i have less tdp instead of Intel CPU AND Nvidia or AMD dedicated GPU together.
And the 17,3 " Toshiba is thin, has blu-ray integrated and is not as heavy as a 15 " dell laptop '(e.g. dell xp15 has 200 gramm more weight and costs 1000euro more). so the laptop is little mobile with 2,7kg and has a good great size :) and costs only 593 euro
i need a big picture...i´m not a user who likes to play on 13,3" ultrabook or so...i have glasses so i need big pictures :) For example the Asus ux31a is a great laptop with full hd screen and so....but i cannot read anything on this screen...all the letters are too little for me.