Responses from mtbrider

Auditioning amplifier gear: simultaneous auditions, online retailers you trust?
You're in Denver. For cables, check out Audio Envy in Ft. Collins. 
Digital coaxial advice needed
I'm very happy with my Audio Envy digital coax. 
Small room amp and speakers recommendation
Belles Aria integrated and Ascend Acoustics Sierra 2EX. 
Difference in sound between copper and silver digital cables?
+1 on the Audio Envy digital cable. 
Need recommendations on stand mount speakers
Ascend Acoustics Sierra 2 EX. 
Upgrading a CD/SACD player with integral DAC
The Marantz SA 8005 is an SACD player. 
after market power cords for power conditioner or amps etc
Audio Envy makes excellent power cords that very reasonably priced. 
4 ohm (or 6) Bookshelf speakers. Pass Labs 30.8
I recommend you take a look at Ascend Acoustics Sierra 2 and Sierra 2 EX. Either of these would work great in your apartment and at the listening levels you describe. 
Odyssey "Khartago" Stereo Extreme" amp compared to Schitt's "Vidar" amp
FYI, Khartago Extreme listed by TMR Audio for $999 on this site. 
The new Schiit Aegir Amplifier now shipping
Someone who has received this unit has posted internal pictures over on AC. 
Best bookshelf speakers
Sierra 2's are now 15% off. 
Best bookshelf speakers
As the happy owner of Sierra 2's, I'm not aware of any vertical dispersion issues.   
best interconnect at decent price
Acoustic BBQ from grannyring on this site.   
Cable info
I use the Acoustic BBQ(16g Dueland wire) IC's made and sold by grannyring on this site with my Node 2.  Very pleased. 
Has anybody compared the Brooklyn DAC or Brooklyn DAC plus to the Liberty DAC
If you haven't read it, Art Dudley gives the Liberty a "very highly recommended" review in the November Stereophile.