Can't say for sure but I don't see any reason why MSI AB would not address the 460M...I've had great success with Afterburner pushing my 560M to WEI scores of 7.4 (from 7.2 stock).
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G74SX-CST1-CBIL, i7 2630QM 2GHz
32GB DDR3 RAM @1333MHz
GTX560M 3GB DDR5 (192 bit)
17.3" LED 1920x1080
Sentelic TP, BIOS 203
Debian Linux Wheezy (Testing) Kernel 3.2, NVIDIA 295.40
