Hmmm...
* A collection of CART cars from the 2004 season. This gives us a combination of about eight different types which were run in CART/Champ Car:
- Two chassis (Lola and Reynard)
- Four engines (Mercedes, Toyota, Ford-Cosworth and Honda)
That'd be a whole pack right there. What with all the focus on NASCAR as an American motorsport it's time for Gran Turismo to be Gran Turismo and highlight some cars/series that nobody seems to pay attention to anymore.
* The Pagani...Pagani...
http://www.youtube.com/watch?v=mQLqr5Q7FRE THAT one.
...alright, I kid, I know how to pronounce it. But the point is that now that we have the Zonda R, we should experience the Huayra at some point in the future.
* Someone mentioned a prewar Grand Prix pack, but they were missing cars like the Typ C Stromlinie and any of the other old streamliners built to tackle Avus more than anything else. Then again, that pack would be more like "Rise of the Silver Arrows" than anything else...but if this Grand Prix pack were to come to fruition, Avus needs to come with it. The Wall of Death was where the most extreme Grand Prix cars were born; this is where they need to race.
* What newer GT5 drivers need are teaching aids to teach them how to drive really fast, really light, sensitive cars like the FGT, so I propose in the style of the multiple Racing Karts we're due to get, let's have a Formula GT Academy Pack. PD can create its own interpretations of F3000, GP2, something like Formula Ford and finally an updated version of the FGT. I love the X2010 and I'm sure I'll have a blast in the X2011, but the Formula GT is more characteristic because it maintains the form of an F1 car. That would be fun to have, and a good lesson in open-wheel racing techniques.
* The Red Bull Rhys Millen Pikes Peak car. In fact, a bunch of other Pikes Peak cars in one pack.
and more ovals, and FIA GT, or ALMS/LMES 
I'd second that idea!
