i am doing research on NY state tax, and i need to confirm the education expense

i chose to treat education expense as deduction for AGI on my federal tax return.  But i am not sure about the state tax because we are not NY state resident but have NY source income in 2006.

first, I can only claim education expense as itemized deduction (with max 10,000), right? if i am NY resident, i can choose to claim it as deduction or credit.

second, since i can either standard deduction or itemized deduction but not both, and the standard deduction for MFJ is 15000, so i should choose standard, right?