Итак, по просьбе, список полезных репозиториев для Installer'a:

http://appleiphoneschool.com/sources
http://home.mike.tl/iphone
http://www.iappaday.com/install
http://tinyurl.com/2trp2k
http://tinyurl.com/2qxpe6
http://www.iappaday.com/install
repository.apptapp.com
web.mac.com/iswitcher2/list.xml
repo.us.to
http://conceitedsoftware.com/iphone/beta/
ride4.org/shai.xml