For 'developers' willing to shell out $99 for an annual membership in Apple's group of Mac OS app creators, Lion is old news already. But the rest of you can finally download Apple's latest operating system -- Mac OS 10.7 -- by hitting up the App Store on your Snow Leopard (10.6.8)-equipped Mac, assuming it's powered by an Intel Core 2 Duo, Core i3, i5 or i7 processor. From our experience with the pre-release version, the 4GB download could take over an hour, even on a high-speed connection, but once you have the installer in hand the upgrade process itself should be complete in about 20 minutes. We'll be posting a full review of Lion later this week, but yo
