What is Moving From Solid State to Quicksilver Mid Monos Like?

Hello to all!

I currently have a McCormack DNA125 modified / upgraded in a manor similar to what McCormack does.  It is fine sounding, but I have a curiosity (itch?) about what

I would experience if I moved to a pair of the current Quicksilver mid mono amplifiers.  Can anyone out there who has made a move from good SS equipment

to the mid monos tell me what they gained that made them happier with the sound?

Thanks in advance!