I'm a huge fan of pushrod motors. You're right, GM took a licking in the 80's and early 90's until the LT-1 made it out on the scene. That Camaro was a 14 second car on stock tires, with a 165 mph top speed. A speed that today's Mustang GT can't reach.
The Mustang has a cool look, but it's the same car as last year's model with slight refinements. Of course they offer the GT500, GT500KR and the Super Snake, but for $70-80 grand, I'd buy a Z06 and hand them their ass.
I'm a huge fan of the LS3 motor in my car. To think it pushes the the Camaro through the quarter mile at 13 seconds and 0 to 60 in 4.6 seconds is amazing. Ford will still continue to outsell the Camaro due to the act they produce 135,000 units a year vs. Camaro and less than half of that number.
~Brian