Responses from rhtowson

CD player/transport with exposed tubes?
McIntosh MCD12000...  
Has anyboyd used this amp, your thoughts on it
I've enjoyed a Glow One amplifier for several years in my second system and suggest that you give them a look. A bit more than the one in the link you posted, but they are hand built with end-to-end wiring and no PC boards and can be found on the... 
any current integrated amps in market have great dacs?
The DAC in McIntosh’s integrateds is a Digital Audio Module that can be replaced by future modules to stay up to date with the latest digital audio technologies - a very good strategy. My MAC7200 came from the factory with the DA1 module installe... 
Bluesound recent update 4.0 tanked sound quality ???
My streaming subscriptions are with Amazon Music and Sirius XM. I took the upgrade yesterday and haven't noticed any change in SQ but will be more observant today. Not to go too far off topic, but I'm disappointed in the lack of basic functional... 
Upgrading preamp. Best for under $1K
These are well-reviewed and fit nicely within your budget - some include tuners: https://emotiva.com/collections/pre-amps Have fun and enjoy!  
Digital music questions
Sorry - forgot to mention that Apple Music isn't native to the Bluesound and if you use it with a Bluesound, it will have to be streamed thru your phone and then via AirPlay to the Bluesound.  
Digital music questions
I use a Bluesound Node connected via coax to the DAC1 in my McIntosh MAC7200. Bluesound's coax connection bypasses it's internal DAC enabling me to use the MAC's internal DAC and features. It sounds great. The Bluesound interface / control is via... 
I'm thinking about a low watt tube amplifier?
I've really enjoyed my Glow Amp One. It's a Single Ended Tube Amplifier, 5 watts per channel. Don't know about your speakers, but it does a great job with my older Bose Acoustimass speakers.