Others have found that they must turn off their disk cache programs when using Quad. Remember that disk caching doesn't help with a continuous stream of data such as digital audio. This document details the defect fixes and enhancements that are planned as part of the Quad 1.1 upgrade. For current registered users, the only charge will be a nominal shipping and handling fee. A Read Me file detailing the finalized fixes and enhancements will be part of the Quad 1.1 upgrade.
Specifications are subject to change without further notice.
The section on Turtle Recall created some apprehension when this document was first posted. I think the Quad fix document could be clearer in that respect. It will add data if there is none, or replace data if the alterations are in a region where automation data already exists for that control only. While nothing else occupies the market niche Quad occupies, there are three alternatives I know of. Each of these products uses playlist based editing.