It's only been a week, but already the Block has been chock-full of contention, confrontation and curve-aliscious designs. It's been House 3's Leah and Ash in the center of it all and Shelley's not afraid to ask them the hard questions (as well as have a bit of fun). Plus, before that, the newest kid on the Block, Marty Fox, draws on his wealth of real estate knowledge to answer a crucial question: what does the buyer really want?    See omnystudio.com/listener for privacy information.