thinking on this or newest series in the middle of 2012!2011 Macbook Pro (2.8Ghz i7), more than capable for what I use it for.
2.4 should be fine. It might be a problem with audio drivers - if you're running with the standard game/multimedia drivers in Windows, you're going to have problems with performance for music production, almost no matter what your cpu/memory specifications are.
Wait for the redesign this year, should be something special.thinking on this or newest series in the middle of 2012!