While I wait for my Palm Pre Plus I would like to know some stats errors and problems...

#1 If you have an "official" Palm Pre Plus and carrier and use only Apps from catalogue
#2 If you only have unlocked it but use only Apps from catalogue
#3 If you use HomeBrew Apps

Do you have any idea?
Because reading this forum and not having one Pre yet it seems to me that the majority of problems (not hardware problems) are with HomeBrew Apps and what we do as soon as Pre arrives...

Also been an old Palm user, in the past, the instruction (at least in my mind) when you got a Palm was start using only agenda and contacts for a week, then install one app and test it for some times..,.., so the tip was install only one app and wait to install another until you were sure everything was okay after the installation of that app. Now it seems to me that many problems occours because we buy a smartphone to unlocked and use homebrew apps AND try to install as many cool apps as possible and quickly...
Am I wrong?