RIM's update, via Verizon's site apparently fixes the 8830 calendar issue. Of course you will need a PC, or Boot Camp or Fusion to install the update. BlackBerryâ„˘ 4.x Software Download
As for NUTD... Missing Sync uses Sync Services to sync its data. Since NUTD version 5 is not sync services aware, it doesn't sync with Missing Sync. The next version of NUTD (codename: Nighthawk) is supposed to be sync services aware and when released will be able to sync with Missing Sync.