The Statesman reported today on three condo conversion projects currently under way in downtown Austin. All three projects will transform commercial space into new condos. As thousands of residential units are being built in Austin for new residents who want to live and work in downtown. Compared to the boom in condo development, there is relatively little new downtown office space being developed downtown. These conversions will take additional office space offline. All in all, the city seems headed for a healthy commercial-residential mix. One of the projects is "Sabine on Fifth" - an 80 unit 10-story building on . . .