A number of people new to symfony are attempting Askeet on symfony 1.1. In theory this is possible, if a compatibility mode is switched on, but there are too many pitfalls for the new user for me to recommend it. There are enough minor issues with Askeet for 1.0 as it is!
If anyone is wanting to put 1.1 through its paces, I recommend My First Project, which although it has not formally been released, I believe is perfectly good enough to start learning. Some simplification changes are planned to it, but nevertheless it is still a good intro:
There is an unstable 1.1 version of symfonians.net here too, which should make for good reading: