Did this to my Lavatube (Chrome YoungJune version) today. Was tired of constant fingerprints. Look and feel is much better than before, and grip is much better as well. $6 for Plasti-dip spray. Did 3 light coats, then 7 regular coats. Is easily removeable if I feel to do so later. Another related thread (for Provari) is here http://www.e-cigarette-forum.com/forum/provari/328980-sacrificed-flashlight-test.html.
Before Conversion:

After:


Before Conversion:

After:
