That claim does not fit reality. Compression is used because it INCREASES data efficiency. Some methods do better in benchmarks than others but why have a compression scheme if it did not give more benefit than overhead losses? A slow processor in a D1x reflects the state of embedded processors and memory at the time, luckily all has changed. The conversion process can often speedup throughput because less data is needed to be stored, transmitted and retrieved. A ZIP file for example normally take less time to convert, transmit and retrieve than raw uncompressed replicas of the same initial information. The new EXpeed 2 processor is multi-threaded and optimized for such tasks and should run circles around prior generation DSPs such as the system in the D700 or D3. When benchmarks are run, the new DSP will surely show that it is faster and more powerful than the old one in the D300, D700 or D3. Don't worry, the D7k will do fine in handing bursts of 14 bit image data whereas the old system did slow down when handling such chores. That one should be a clear winner for the D7k in that criteria.