There has been lots of talk about gentrification of central neighborhoods such as south and east austin over the last few years. It seems that central living is in high demand -- prices are going up, developers are moving in, and whole swaths of central austin are being gentrified. But no area is being gentrified faster than downtown where warehouses, parking lots, and office buildings are being replaced by large condo projects.With this wave of development, downtown Austin should gain a much more vibrant downtown. At the same time, the city is losing some landmarks. Las Manitas is being displaced . . .