Still skittish about jumping from MobileMe to iCloud, even after Apple promised you a free copy of Snow Leopard to ease the pain? Have no fear: Apple has quietly extended its offer to upgrade those paying for 20GB of MobileMe space to a matching amount on iCloud the next time they renew. You now have until September 30th to make the leap at no extra cost, instead of the original June 30th cutoff. And if you've been paying for 40 to 60GB of MobileMe storage, you can get 50GB of iCloud space on the same terms. It won't take away the sting of losing iDisk, Gallery or iWeb at the end of June, but if you're the sort who routinely needs a lot more storage than a free 5GB iCloud account and don't like the alternatives you now have that much more breathing room.