Qualifying Calculator
How much income does it take you to qualify for a particular home?  This calculator will tell you.  However, you may want to adjust the qualifying ratios to 33/38 or whatever your local lender recommends.

Affordability Calculator
How much house can you afford with your income?  This calculator helps and is designed for those putting less than twenty percent down. 

Rent vs. Own
Rents have risen considerably recently.  This calculator helps to show what your net gain may be in owning rather than renting, taking many considerations into account

Payment Calculator
Also easy to use, but different from the calculator above.