Hi Albert,
Neither of those scope is much chop, why not look at the 80AR Skywatcher on the AZ4 tripod for $399 at Andrews or even the Bosma 80 which comes with a HD camera tripod for $349!
link Comes with a CARRY CASE TOO!, schweet.
Both of thes MIGHT fit in a backpack (as they are 500mm ish long), certainly the scope might but you would have to strap the folded tripod to the outside of the backpack I think....
An 80mm Refractor (even the cheap ones I have listed) on an Alt-Az mount are a doddle to point and are easier to use than a dob (no collimation and more portable) so I suggest you take a look at these.
The Bosma, while not as well known as the Skywatcher brand (which also has a 6 yr warranty) certainly is liked by Luke at Andrews, so it must be OK.
Based on your needs, I would spend the $400 on the Black Diamond 80AR x AZ4 package in a heartbeat, check out the Black diamond paintjob to see what I mean....
Free freight Australia-wide for all these models! "Black Diamond" complete "AR" refractor packages!!
80AR-AZ4 A$399
Stay away from EQ mounts if you want portability, they are just too heavy.
So for $400, you will get a sexy, portable telescope which is simple to use and delivered to your door.
Hope this helps,
Cheers
Chris