speed - John Mclaughlin
technicallity - gotta say Vai and Joe Pass (jazz)
songwriting - Dylan
originality - Wes Montgomery (the octave king)
heavyness - Zakk Wylde
slide - Derek Trucks (awesome)
blues - Mike Bloomfield and Freddie King/used to be Clapton until I heard these guys!
overall- Pat Martino and Joe Pass