I'd like no speed up, please. :p Most people had the proper running speed cuz most of us just had the VHS for our region anyway.
In keeping with the feeling of the 80s, I'd definitely also go 4:3. Using [one of] the CBS/Fox logo[s] would be awesome, too. Either is good:
1983: http://www.youtube.com/watch?v=3rV5PtTn6ec&NR=1
1984: http://www.youtube.com/watch?v=InQVZm60QGA&feature=related
It's too bad you couldn't use VHS to edit with, but if filters and such can reproduce the look accurately, I can see how it would be easier to play with beforehand.