By "customizations", I mean changes to the look and feel/layout of the pages, not new features.
It looks as though I'll face a moderately involved process every time I want to upgrade and I should seriously evaluate wether my client even needs the upgrade.
What is it that you "can't say" about the 3.4 upgrade kit, will it be more friendly to layout and functionality customizations?
Thanks for you opinions by the way

!
Vince.