Flamenco: Pepe Romero, "Flamenco", on First Impression Music LIMK2HD022; yes you read that correct one of the first K2HD CDs.
Classical: Duo Favori, "The Well-Tempered Guitars", Mario Castelnuovo-Tedesco 24 Preludes and Fugues for 2 Guitars op. 199, on Tacet 141
Wulfin Lieske, "What About This, Mr. Tárrega?", works by Bach, Albéniz, Tárrega and others, on Tacet 65; Lieske plays and compares 7 different classical guitars built between 1856 and 1958, a must for classical guitar buffs.