Thanks.
But each buff you DO get off before combat can be seen as a kind of exploit then? Or what was the intention of it?
Given that the haste skills by have a specific effect that is designed to only apply when combat starts, it is pretty obvious that it is intended functionality that players can and do use buffing spells before engaging in combat - so long as they are quick about it.
The various haste skills all give an increased AP maximum, increased AP/combat round, and increased AP at start of combat. When you use them in-combat, you only benefit from the first two.
As a general rule, it is too much trouble to buff before combat due to the time limits involved, but for particularly tough fights, you should consider doing it - at least consider firing off a single haste skill, if nothing else.
Note that cooldowns still apply, so it isn't as straightforward a strategic choice as it might otherwise seem.