Hi Jeff,
Re (1): at present, the only way to put RealSky onto the hard
drive is as you suggest, by creating a new "drive letter" and
pointing Guide at it. Not really a great idea, I realize...
Getting A2.0 to display from the hard drive is a somewhat simpler
process. Info about it is available here:
http://www.projectpluto.com/update7.htm#ax0_direct
I was about to say that you could also look at page X in the
manual. But this appears to be an undocumented feature, as far
as the manual is concerned. Time to add a couple of paragraphs
to chapter 17b, I think.
-- Bill