I'm not sure if it's been discussed, but what kind of time travel is going on here? There are many shots involving brand new cars, LCD monitors etc, so it appears the latter half of the movie is set in the present day, and not all in 1984, which may be backed up by the older Arnie with white hair.
I know that Arnie overshoots the time travel and basically raises Sarah Connor, and they kill the original Terminator before Kyle's arrival, but how does the present day figure into this? Are they pulling a TSCC on this and somehow then time traveling to now, and continuing the franchise in the present day?