MOTM

>Just curious about the '120 via holes.  When I got to the instructions to
>solder the "via holes" on the '410 I realized I had not done it on the
>'120.  Was I supposed to?  Did I miss that instruction somehow?

The via holes should always be filled in, but it's not always 
mentioned in the instructions. You can always fill them in at a later 
time, just make sure you use the no-clean solder.