Bluegrass - trad stuff like Flatt & Scruggs, progressive stuff like Tony Rice
70's 'Southern' sounds - Little Feet, Skynyrd, Allmans etc
80s-90's guitar virtuoso stuff -Vai, Satch, Johnson etc
classic 70s funk - esp P-Funk, Tower of Power
flamenco
non-Nashville country/country rock like Steve Earle, Hellecasters, Albert Lee
any top class steel string acoustic playing e.g. Kottke
gypsy jazz - Django, Birele Lagrene
rap/funk metal - Bizkit, Faith No More but not the Chilis
intelligent techno - e.g. Leftfield, Chemical Bros etc
leftfield experimental stuff -Can, Kratfwerk