GTS 360 runs on GT215 core and is an overclocked GTS 260M, with GDDR5 it may match GTX260, but will not exceed it, will run cooler though
http://www.notebookcheck.net/NVIDIA-GeForce-GTS-360M.24058.0.html
http://www.nvidia.com/object/product_geforce_gts_360m_us.html
BTW for any interested...