We've updated the AustinTowers | TOWERS Realty Downtown Austin Condo Market Index for November and December, 2011, and our seasonally neutral 12-month tracking index set four new records in each of the two months. With November and December sales included, the 12-month tracking index set records for the highest $/square foot ($329), average sales price ($388,157), and % of list (96.4%) as well as the lowest average days on market (83.4). However, after a long streak of increasing monthly sales, both November and December saw . . .