There are quite a few tags now, including ones that tell Google it is a paid promotional link or user generated content. We aren't stingy with our follows and NoFollows, but we do only link out based on merit and quality of content, so all is well with the web.
TBA James - Profile
Most COC's have a free software package included in memberships, but in all honesty, software is probably a little overkill no? Especially pre 10 employees.
I know an agency that has a Bing bell, that they ring when a lead comes in from Bing that it is so rare. I doubt they would waste the money on a Yahoo bell.
Where would you spend your effort?