For anyone intested in an in-depth comparison
of DSP Blaster and DSP-10 by EME contester W3SZ read:
http://www.elecraft.com/TechNotes/w3sz_dsp/w3szdspnew.htm
Bottom line:
"By the end of the night I had essentially put the DSP-10 away and was
running with just the K2 / Transverter / DSP Blaster combination, and very
happy."
73, Bill W4ZV