For those who (besides classical/baroque) also like IDM/electronica, Murcof is always interesting. My alltime Fave is Urano.
"The Versailles Sessions" are even more experimental, this time there's even vocal parts (you hear "Ah Belinda" from Purcells Dido and Aeneas somewhere within :)) Lot of Harpsichord elements.
http://www.youtube.com/watch?v=DguFkp4qKRE#
http://leaf.greedbag.com/buy/the-versailles-sessions-1/