Hi Just a small information about the Tec Austria: Location: Lake Gosau/Salzkammergut/Upperaustria Date: From 3.-5. Oct. 2008 Some european rebbie builders will show their equipment. Test dives possible. Every afternoon is a theoretical part in the lokal hotelrestaurant, about cave diving with rebbies, dive medicine and a lot of other themes. If you are interessted in, more information: google --> tech austria 2008 Hope to see you there Anna