Tapping is really my staple technique. I have to say that I use it in about 70% of my solos. What drives me insane is when people write off tapping as an easy or cheap technique. If you use it correctly, it can be incredibly difficult and very musical. Sure one finger tapping ascensions on the E string aren't very hard at all, but two play a 4-8 finger tapped song on all six or even half of the strings can be a challenge and musically wowing. I use the technique (I'll admit) to show off occasionally, but ALWAYS with something musical, not just some lame keyless ascension.