I now use sierra with Ib feed and scmagic. (as well as qcharts and esignal and wealthlab and....) Have also used ensign, metastock and TS. Have never used medved (actually I downloaded it but couldn't get it working so gave up). I find sierra easy and problem free so use it most of the time when daytrading. How does it compare with medved and would there be any advantage in using medved?