matthewpiano:Why do people assume that classical music always needs warm sounding kit? Gear like the Spendors can be great if you only like the slower and less dramatic works, but listening to a full range of classical music makes extraordinary demands on qualities such as timing, frequency response, soundstaging, and dynamic range. I'd go for the Regas every time. They will bring all sorts of classical music to life whilst retaining superb tonal reproduction. I think you'd find the Spendors warm and sludgy in comparison. However, the only way to make your decision is to listen to both.
Personally, I'd agree with your choice of Rega but only because I like that sort of sound. The spendors, matched well, have an authority and solidity of sound the Regas would be unable to match. They are more difficult to partner though.