1) Reliable, Cheap to operate, great 4ohm performance Music Reference RM-200 (or any Music Reference amp)
2) Incredible lush sound in triode, poor customer service, not for high watt/current requirements CJ Premier 11a (what a sound)
3) Statement amp - Lamm ML2.1
4) Amazing computer control and delicate sound, plus ease of maintenance and lack of tweeking required VTL S400
5) Beautiful to look at even when not playing -VAC Phi