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Sergii (KE0MLS & US2IPQ) demonstrated a nice, small, lightweight HF/6M 40W transceiver which came from a fellow who builds them in the Ukraine. It has impressive capabilities, including computer interfacing, for such a small lightweight radio. More information is at the Russian web page, and on another web page for the mini version.
Here is also some information that Sergii provided about an interesting antenna analyzer project using the Discovery Kit.