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Sorry for my belated response. The way I got it working was to use a 2010 MacBook Pro in the process. I fresh installed Snow Leopard on my Mid-2010 15" then upgraded to 10.7 Lion. Then, on the new 2011 machine, I swapped the Lion-containing hard drive into it. Then, using another had drive I had Snow Leopard on (having performed the installation on my 2011 model), installing it in in the Mid-2010, I booted the 2010 into target disk mode, then I simply transferred the contents of /system/library over to my 2011 that had Lion on it (using disk utility on the restore disc that came with my 2011).

At that point, I simply repaired permissions on the Lion-containing drive, and was able to boot into Lion.

It's a convoluted process, but it DOES work.

I tried this, but I wasn’t exactly sure how to copy the library folder over onto the Lion target drive? Disk util doesn’t have any interface for copying folders, as far as I could see?

So I booted from the SL volume by putting it into an external USB drive, then used finder (with hidden files on) to copy the SL /system/library to the Lion disk. [And before i get silly comments, i myself was pretty confident that wasn't sufficient even with my small knowledge of OSX]

But it wont boot up?

Would you care to tell me where I going wrong? I feel so close to getting it right!
 
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I tried this, but I wasn’t exactly sure how to copy the library folder over onto the Lion target drive? Disk util doesn’t have any interface for copying folders, as far as I could see?

So I booted from the SL volume by putting it into an external USB drive, then used finder (with hidden files on) to copy the SL /system/library to the Lion disk. [And before i get silly comments, i myself was pretty confident that wasn't sufficient even with my small knowledge of OSX]

But it wont boot up?

Would you care to tell me where I going wrong? I feel so close to getting it right!

Like I said... I tried it myself. To no avail. I do not believe there is a way to make it work.
I believe it to be an issue with drivers/extensions/frameworks that are missing from 10.7 to support Sandy Bridge.
And those, copied from 10.6.x might just be incompatible with 10.7, which is why it doesn't work at all.
I didn't double check it. Just my 2cents.
 
It's safe to say we can expect a new build relatively soon seeing as it's been about a month.
 
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