Absolutely! Throwing away your voice because you're in a snit over the choices only gives the one you dislike most the chance to win. Only about 25% of eligible American voters actually decide who the president will be. So, every single vote counts.
Essay @
The third evil: Not voting at all
Voting is a choice and a right, not some wonder device that makes one any more intelligent, nor any more American.
What you suggest is to ignore the often putrid choices handed to you, but you should choose one anyway. That doesn't even make bad sense. All you've done is play into the corporatist duopoly.
African-Americans don't vote for republicans for very good reasons. Thus, if the democrat running is unacceptable to black voters, the choices are vote 3rd party or don't vote at all.
If this country was serious about elections, it would remove the impediments to 3rd party growth and give voters real choices on who to support.