I see. My Mini doesn't have a DVD drive haha. So I guess I could just install the new OSX on another partition within OSX Lion?
Thanks for the help.
Ah, I forgot about the ODD part.
And partially yes, you need to create another partition on the HDD where the partition with Lion is on.
That partition will be separate from Lion.
You could also use an external HDD connected via FW800 to install ML onto.