1) Are you loading tracks from an external source? If so, do you have your power settings set so that drive won't go to sleep?
2) Pressing when what is off?
3) This is coming in future updates.
4) Sorry, I don't understand the comparison.
5) The updates are released as soon as possible based on the available resources.
6) Sorry, there is no other way. Even if you wanted to move from Serato to Traktor, there aren't any other options.