It's starting to feel like 2007 again. It's been five years since good economic times resulted in a wave of development that resulted in projects such as the Austonian, Four Seasons Residences, the Monarch, and Spring. In 2007, it seems that a new project was announced every couple of weeks. That's exactly what is happening right now.Last week's big announcement was that two fifty story tourers could rise in the warehouse district. According to the statesman, The Sutton Co. wants to build the project on about two acres it has under contract bounded by Rainey . . .