transport quality???

it depends...and these types of transports can get pricey. The Esoteric and dCS transports are likely amongst the best at a cost. Esoteric seems to be one of the few that (used) to make SACD and DVD transports

Also some drives just read the disc into memory..so the transport can be more of a computer grade...

I guess the real question is what are you trying to accomplish? Better sound quality? If so...what's the rest of your digital front end?

Hello Chayro. Just took a look at your enviable setup. Your Wilson speakers have been considered excellent and very dynamic. What were the reasons for going to the Rockports?

Hi Jfrech. I'm using a Lexicon RT 20 and wondering if the transport is adequate to use it with a good dac.

Ptss,
You got Jfrech and Chayro's systems confused. Chayro has Trenner-Friedl which are high efficient and highly regarded but under the radar speakers. I could be very happy with this fine speaker(and that Viva amplifier).
Charles,

IIRC, the Lexicon RT-20 uses a transport made by Pioneer. I had several of the "elite" players over the years and their transports and laser systems were always top of the line and made for great listening and viewing.

I doubt that Lexicon made anything in the player it was more than likely a rebadged unit from another manufacturer in a Lexicon chassis. It did receive good reviews back when it was introduced.