Sorry, missed this post.
Mine initially came w/ smaller dongles but the apparatus that keeps them secured into the box itself came away from the housing. I took it back to Len (when I lived in NYC) and he replaced it for me on the spot. Very gladly, I might add. Service problems? I think not :-).
For the most part I have been happy w/ my 2496. I AM initerested to hear what the difference will be when I go to the fully modded 671. But for now, it's doing me well.