I just heard some of the smoothest arpeggios played on a guitar I have ever heard.
And, there was NO SWEEPING done!
Guthrie Govan uses a tapping method to create super SUPER smooth sounding arpeggios that utilizes string skipping.
Check out this video to learn how to create some really cool sounding arpeggios:
John Taylor - guitar and bass instructor for Mile High Shred.