http://www.myvisajobs.com/Prevailing%5FWage/Calculator.htm This prevailing wage calculator is pretty cool
You enter zip code, job title, and yes/no answer to several questions, it will
help you determine the prevailing wage level and amount in your area and occupation.
It also has a related occupation link, so you could use it to select similiar occupation if you salary is not high enough to apply h1b or PERM.
http://www.myvisajobs.com/Prevailing%5FWage/Calculator.htm