Yeah I keep thinking it'd bother me eventually... On the other hand it'd be nice knowing what I "need" to make myself.
Using "need" loosely of course.
I would dig seeing the line last for another 10 years so long as the product's good though... If the line really took a major turn (and permanent turn) towards pre-posed figures, or action features, or a 6-point articulation that wasn't ever going to be improved... I'd likely quit.
As it stands with vehicles I've decided to quit being a completist there because Hasbro just can't get off their ass and do them justice. I mean, the Y-Wing is just laughable at this point. The figures have advanced rather steadily since 1995, but the ships are like the 12" line in that they're few hits with many many misses. Some people are content with what they are, but I'm not one of those and Hasbro's shown that if they can crank it out very cheaply, they will.
The landspeeder resculpt was outta left field, and it was everything that every vehicle should be... To-scale, nicely detailed/painted (and accurate), and made to look like a prop that functions like a toy. Another case-in-point, the TIE Bomber...
Then we get a Y-Wing that's like 1/3 the size it should be, poorly painted... TIE FIghters with wings that just look absurd.. AT-ST that looks like the Ford Festiva of walkers... And the Sandcrawler and Shuttle I won't even get into considering the price.
I wouldn't shed a tear if they came out tomorrow and said "No more vehicles, ever". I'd just know what I had to put on a "to do" list then. And I'd just consider it one less thing for them to put a pack-in into it that I would want...