I say nay to both of those. The stock taillights look dope as they are, if you want the smoked look, open em up and paint them, or just buy the smoked vinyl for a cheap alternative.
Or check out this guy
www.lightwerkz.net. The dudes name is Caesar, and he does phenomenal work on wrx and sti headlights. I bet you he could work on yours too. He can retrofit them with projectors, halos, you name it.