What is the true effect on the Fed's rate cut and mortgages?

The Fed Rate is now at 2.25%. Some people tell me that mortgage rates will fall, others say it takes a lot of other factors to make them drop, like the mortgage backed securities mess being sorted out. I ask because my fiancee and I are looking at houses in the one of the worst hit markets, S.Florida!What is the true effect on the Fed's rate cut and mortgages?
It means there may be another real estate bubble in the making. This one will be worse. People will sell there houses but where will they go. Everything else thats small will be high in cost too. Then kablooey.