How has people's execution software been holding up considering recent market volatility and the WTC incident? Our platform--REDI--has been absolutely awful. REDI has been down constantly over the past week. Problems include not getting confirmations, random lock-ups, no quotes, and inoperable position windows. Trading has often been impossible as a result--which means significant profits are being lost by many REDI users. Naturally, the WTC incident may play a role here, but supposedly SLK has several layers of redundancy. From the looks of things, however, their redundancy doesn't mean squat. Anyways, if you're a user of Echo First Alert, realtick, tradecast, greybox, VTS, or other platforms, post your experiences here--particularly with NYSE executions. Your comments may be useful to others looking for a more reliable trading platform--like me.