I'm a little torn between admitting to liking the neo-classical brilliancies of Yngwie J. Malmsteen, or keeping it to myself...as I've noticed there aren't very many mentions of his name here (I think I noticed one). Among my notable favorites are: "Black Star", "Trilogy Suite", "Flamenco Diablo", "Blitzkrieg", "Arpeggios From Hell", and "Echo Etude", with more to follow I'm sure...
Eugene's (Vai?) rendition of "Paganini's 5th Caprice" from the movie "Crossroads"====> I've been at this one for a couple 'o years and still haven't got it the way I want it....oh well, forge ahead...
All of Metallica's Instrumentals.
Paul Gilbert's made for guitar version of Vivaldi's "The Four Seasons"