Here's where you can access the REALTORÂ® Multiple Listing Service for free with no log-in required.....you can also receive a 50% commission rebate too.
AZ's REBATE Realtor
Trulia is a great site, and they have a great search engine for homes. Sometimes they can`t keep the "bait" homes out.
I would suggest a custom home search, that will email you homes from the MLS in real time.
You can find out more about custom searches here