Personal case study.
This is my personalized source:
http://repo.sc/TTS (39.3 KB)

It gathers 23 packages (as of time of writing) from the following 7 sources:
http://conceitedsoftware.com/iphone/ (52.38K)
http://psmxy.org.nyud.net/iphone-apps/repo.cache (453.06K)
http://touchrepo.com/repo.xml (118.18K )
http://applerepo.com (117.5K)
http://mobilestack.googlecode.com/sv...internal.plist (13.24K)
http://hpcgi3.nifty.com/moyashi/ipod...repository.cgi (60.51K)
http://touchmods.net/rep.xml (2.79K)



I've removed them sources from my installer as shown above (as I no longer need them), and my installer now loads 39.3KB as oppose to over 800Kb. Meaning, I am effectively downloading lesser than 5% of what I'd usually download! Thanks, repo.sc! (oh, wait isn't this my own site? :P