Hello: I m wondering if anyone has tried the DIY Fusion Drive installation on an 15 inch 2011 Early Macbook Pro, now with the 10.8.3 version of Mountain Lion ? AFAIK, this did not work reliably with the previous version. Since I have this Mac, and would like to go the Fusion Drive route, I am hoping the 10.8.3 might have fixed this. Thanks for any info. PaulCC.