How big do you want the letters to be? I have an Inkadinkado clear letter set that makes great impressions, but the letters are 1.25 inches tall. They would be great for monogrammed notecards, but the letters may be too big to spell out a person's name. And the style may not be what you're looking for.
Here is what the set looks like in the package. I bought mine at Michaels a few months ago.
Here is how the letters look on a project.