Which Williamsburg waterfront highrise project will win the battle for the hearts and wallets of Brooklyn condo buyers? “Two of the biggest developments on the Williamsburg waterfront are about to face off on the sales market. First up, the Edge (a Brownstoner advertiser), which is going on sale next month…A cross-section of the 575 units will be on sale…The average price in the condo is going to be around $900 a square foot and it’s on track to be move-in ready by summer ’09.” Meanwhile, the Toll Brothers are ready to start selling a second Northside Piers Tower by April or May.–Brownstoner