Fabricate- I would piss of so many construction crews with this one.
Wish (if no XP cost)- Mainly I'd wish for epic spellcasting ability >_<
Genisis (the psionic version)- The fun i could have with this one boggles the mind.
Stoneskin- Then id go piss off some gangsters for fun

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Astral Construct- what do you mean i cant get in, my friend bubba says i can

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Sustenence- if that doesnt help me get rid of excess weight, nothing will.
Fly- I would sell all of my posessions just for this one spell.
Gate- just because its fun.
Poly Any Object- *grins evily* oh ill figure out something.
True Telekenisis- wheeeee.
Teleport without error
Detect thoughts- Another one i would give my right arm for.
Thats all I can think of off of the top of my head.