Kitty: I have 9000ES (which is similar to 333) and I compare it to 777ES. As I matter a fact I owned 777ES and changed it to 9000ES. The 777ES has greater resolution, detail, wider dynamic range, airy and have slightly better dynamic range. 9000ES has more timbral accuracy and better bass. Everybody has different taste, as I observed on this forum. Similary to the editor of Listener, I would describe 9000ES midrange as that of best tube amps. Also, I send my unit to Stan Warren of Supermode (541/ 344 - 3696) for the upgrade of power supply+analog stage. It will be very inexpensive and wonderful machine. Tom, I will take liberty to suggest to anyone who wait on the fence that eventual winner will be....MP3 (with hi-speen modems, it will be improved to the level, say 9 bit resolution or even more...), ask any tipical 14 years old "audiophile" - Simon