I really like Petrucci's tone on this album. But I find it difficult to nail the smoothness in his lead. I usually have a drive block before the amp, but not in these two recordings. I think the highs are slightly more smooth this way, but the lows are very muddy.
http://soundcloud.com/torkolort/about-to-crash
http://soundcloud.com/torkolort/goodnight-kiss
http://soundcloud.com/torkolort/about-to-crash
http://soundcloud.com/torkolort/goodnight-kiss