I see that 13% of respondents think 3 cent coins are undervalued ( see http://coins.aplawrence.com/
As to overvalued, I agree: Morgan Dollars are foolishly priced.
But with regard to phasing out the penny: what politician will ever vote against Lincoln?
Coin Experts Survey Infographic
Note: All my coins are in a safe deposit box. I keep nothing in my home.
Contests and giveaways: http://coins.aplawrence.com/2014/05/contests-and-giveaways.html