Sorry Jake buddy - I gotta call you on this one...
When I was about your age, Porsche was in the middle of a huge change in the direction they went with their cars. In short order they introduced the 924, 944 and 928. All water cooled, front engine cars. (And this wasn't too long after the introduction of the 914, where in Europe it was marketed as the
VW-Porsche 914.)
I remember hanging around the showroom of the Porsche/VW/Audi dealer after trips to the parts dep't for goodies for my '62 Beetle, and listening to 911 owners whining about how Porsche was heading towards ruin by going down the water-cooled road and what would happen to values of their beloved 911's.
Porsche didn't collapse then, and they won't now.
The only brand image I've seen that had an effect on those 911's is they are now so insanely expensive that I'll never again be able to afford one. (In 1985 I sold my '67 911 to buy a '78 924, and have been kicking myself in the butt for that dumb-azz stunt for the past 25 years.)
And if you wonder how the jointly built/marketed VW/Porsche 914 is doing 40 years later, check out how much a nice original or restored one is worth. It's a hella lot more than what our Boxsters are worth.
Our little Boxsters won't take a hit on resale value with regards to anything new introduced by Porsche, VW or a car that's a combo of the two brands. Because quite honestly, they are just about now valued at the level of a throw away car and are just getting cheaper.
I'm looking forward to a new entry level Porsche. In 15 years when the last of our 986's are worn out and gone, we'll have a whole slew of affordable P-cars to tear around in.
Cheers,
Rick