Your opinions??
It would be a loss (opinion only) if you can't sneak in a fixed 3.3vdc regulator, at least a small TO-92 one for those simple voltage conversion needs that the older arduino boards can't handle well with their 40ma limit on their 3.3 volt pin.
http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_1323397_-1