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Also remember the underwriting criteria for an FHA loan is substantially easier than it is for a conventional loan. Especially if you have a high LTV conventional loan the ratios are lower and the score requirement is higher.
I would say that with absolutely no debt you would be fine with something in the low $200's - assuming you also have the money for down payment, closing costs, etc. Don't put yourself in a situation where you're assuming salary increases and end up being house broke.
Aren't there limits to FHA loan size wise? I know in the counties we were looking in, the Max they could give us was 280k iirc.
which state?
Another issue with this scenario is it is a Condo. Requirements and rates usually are different......