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I'm not sure, but here's what I'm trying so far:

I've clicked the upgrade button, and then in the purchases tab I was able to click Cancel on the download (might have to hold Option button...). Once that was done, the Download button showed up next to Mavericks, so now I'm waiting for the download to finish to see what happens. After that I'll probably try and see if http://liondiskmaker.com/ will work with it.
 
What's the general opinion: Is upgrading (nowadays) as "good" and reliable as a clean new install? (speed etc.) Every year the same question here, as upgrading would be easier, but my OCD voice says "do a clean install"...
 
Is my Bootcamp Windows 7 going to be affected by a clean install of Maverick? And how about Parallels Desktop 7? Is it compatible?
 
can you go the upgrade route, then if you fancy doing a clean install of Mavericks later, just go into recovery mode and do it from there?
 
I'm not sure, but here's what I'm trying so far:

I've clicked the upgrade button, and then in the purchases tab I was able to click Cancel on the download (might have to hold Option button...). Once that was done, the Download button showed up next to Mavericks, so now I'm waiting for the download to finish to see what happens. After that I'll probably try and see if http://liondiskmaker.com/ will work with it.

If you want to use liondiskmaker, make sure to download Beta ver. 3, which will work with Mavericks. The newest released version does not.
 
I just installed 10.9 and just did an upgrade, and so far so good. (With a good back up sitting close by) Everything seems a little snappier. File tagging (big deal), new activity monitor, safari snappier (always is at first) and multiple displays. Not sure if I like, dislike or even care about the multiple screens implementation. (Haven't tried with my ATV's yet. Might be fun.)

The one thing I won't ever be using - The iCloud keychain. This does not give me the feeling of security one should get. :eek:
 
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