Just finished the Destiny Trilogy and, as the thread title says, they were toally awesome.
I definitely did not see the "Origin of the Borgs" line coming until it (almost) explicitly said so.
I don't want to be a cy ...
At over 900 pages it was a little long. David Mack seems to like to describe things down to the minute details.
Nevertheless, it is a must read for all.
Completely changes the ST universe.
The only smallish problem I had was references to events in books I had not read. However, I managed to figure out what had happened and it didn't spoil the read.
Singular Destiny here I come!