RoaringApps is maintaining a wiki listing hundreds of Mac applications and what is currently known about their compatibility with Lion. Anyone can add entries to the list or modify existing information. Although the information is preliminary (and not all of it comes from official sources), it can serve as a useful guide for people preparing their disks for an upgrade to Lion next month.follow link
Boost Netflix Volume
Is your streamed movie in Netflix too quiet to hear without straining? In Boom, click the Mac Volume button, then enable the Boom Volume slider and move it all the way to the right to increase your Mac's system volume.
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Lion Application Compatibility Wiki