Burak,
I don't have anything specifically related to the 7600 but you may want to look at this interesting report: "ASR9000 vs MX960".
http://www.miercom.com/dl.html?fid=20090827&type=report
Regards
Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
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