in cs2 where i can get new brushes or forme??

Brush Resources - As posted by Switchblade, contribution by PO-Solidus

http://www.rebel-heart.net/brushes/
http://www.8nero.net/brushes/
http://veredgf.fredfarm.com/vbrush/main.html
http://www.cybia.co.uk/brushes.htm
http://www.dubtastic.com/resources.php
http://www.itsuji.net/brushes/
http://photoshopbrushes.com/brushes/10.htm
http://www.freephotoshop.com/html/free_brushes.html
http://brushes.echoica.net/index2.html

whois the best?

try daviantART, really great site for brushes.. not only brushes exist there, you could search for stocks, tutorials, and well.. almost anything^

http://www.deviantart.com/

That's wrong you cannot use any image in deviantart.com without permission from its artist. You can create an account with Deviant Art and message the person and let them know you want to use their image.

well brushes is like a forme where i can get it

Search photoshop brush .com on google.

or Deviantart is your friend