Delivery from Ireland was pretty nearly. The upgrade to 240 GB and migrating the OS X Lion with the envoy that quick and simple (OWC's installation videos were very helpful). Just keep in mind, to open your MacBook Air use the proper screwdriver !!! (I purchased for € 8.99 the Pentalobe - Screwdriver via "adaptere") and do not use too much force, be patient and the tiny screws will not be damaged. Cheers, a very satisfied customer240GB OWC Aura Pro 6G SSD for MacBook Air 2010-2011 Edition