Tony,
I would like to thank you and wish you a happy retirement. I built several of the SoftRock 40 packages, first to see if I could handle the SMS products. I found that to be easy. Since then, I have built a couple of 30/40 transceivers, added Softrock receivers to The Twofer (QRP, 1-watt, transmitters) along with SKS keyer chip and sidetone monitor, and also built the Peaberry transceiver for 20/30/40 meter bands. Greatest DX was Rodriguez Island (3B9FR) for greater than 10K miles/watt!
The Flex Radio's PowerSDR software that was modified for the SoftRocks impressed me with the many features available in the little receivers.
Again, thanks for producing the SDR receivers and transceivers with amazing performance at very low prices. I commend for your effort in making SDRs available to the Ham radio population.
My main rig is a FlexRradio 6400M. You can take part of the "blame" for me buying the Flex.
Thanks again,
Jack W5WQQ, ( Licensed since 1952)