My Crucial M4 on Snow Leopard opened the Adobe Creative Suite Programs in half, or sometimes a third, of the time it takes my Samsung 470 on Lion. The other light apps on Lion, browsers & iWork applications and such, open instantly on the 470 running Lion. Does anyone else notice this with Lion? Or is there, in fact, a discernible difference between SATA II and III in everyday use? My 470 is great and I can endorse it to anyone, but perhaps I should have returned it and waited for the 830 when I had the chance. Samsung has a history of launching issue-less drives. A few seconds slower may sound trivial, but remember the difference between a mechanical and solid state is measured in seconds too. You settle for smaller capacities at higher prices to shave off a few seconds here and there. My 470 on Lion has been kinda splitting the difference between the mechanical stock drive and the M4 on SL in opening these CS apps. Any thoughts?