I agree. Something is coming out before Mountain Lion or this is pointless.
Or they expect to release new computers before ML is ready...?
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Well at least we might get a new mac before Mountain Lion, I don't see why Apple would put those resources in Lion updates if the hardware supporting it only arrives once MLion is the standard.
Unless of course they release a HiDPI Thunder Bolt Display (that would annoy the heck out of the Mac Pro crowd since their machine of choice still hasn't been refreshed for TB).
I think that's coming soon. I bet Intel's new chips are ready to go, or are at least in the manufacturing stage now.