Next time you spend $25 for an ATmega32, remember what you called those other people.
Try and pop the ARM chip off of your raspi and see how it works out.
For ARM, I prefer to solder my own LQFP at about $7. http://twitpic.com/btvkmd
You're right though, someday I'd love to be able to transplant BGA packages.
It can be done. Surface tension is a wonderful thing.
Try and pop the ARM chip off of your raspi and see how it works out.