When will iMac ship with Mountain Lion?

If it doesn't (and ML is reported to be released tomorrow), you will be able to download it from the App Store at no charge.

Edit: I realized I used the word "ship" there to describe ML. I guess it's not really being "shipped" anywhere any more. .. :S

Matt

Another poster reported that Jul 25 is arrival of ML. Puts you on the cusp of "maybe, but with a bit of probably".

We don't yet know, but possibly. If not you will be eligible for:

Am I eligible for the free upgrade?

See Apple - Free OS X Mountain Lion upgrade Program.

For a complete How-To introduction from Apple see Apple - Upgrade your Mac to OS X Mountain Lion.

Tim Cook announced that Mountain Lion will be released tomoprrow.

Allan