Responses from mtbrider

Power Cord for Rega Saturn-R and Elex-R
I once had the same problem with a Shunyata Sidewinder PC.  I wrapped duct tape around the IEC to firm up the connection.   
Duelund DCA16GA
You might check out the thread on these in the Cables section on Audio Asylum. 
Need Small Bookshelf Speakers With a Big Sound
Ascend Acoustics Sierra 2's. 
Best solo piano recording...redbook CDs only...Jazz, easy listening, piano bar
Brad Mehldau.....Live In Tokyo 
Great bookshelf or small towers suggestions
The Sierra 2's are excellent. 
Magneplanar .7 speakers. Have you heard or own them??
Given the potential issues with Maggies, you might consider an alternative like the Spatial M4's.  They'd been reviewed on this site and there's an extensive thread on audiocircle. 
Triode Wire Labs
Check out the Triode Wire Labs forum on audiocircle. 
best bookshelf speakers for < $2000?
You mentioned the Ascend Sierra Towers, so I'd recommend you take a look at the Sierra 2 stand mounts.  I have them in a room larger than yours and the bass is quite good.  The RAAL tweeter is excellent. 
Nordost Red Dawn "Flatline" interconnect Want to replace with a more musical sounding IC.
Before switching to Audio Sensibility, I had used Morrow MA-3 IC's for a few years, but just decided to try something else.  I read about the company on another thread on this site, checked out the website, and decided to give the Statement SE IC'... 
Nordost Red Dawn "Flatline" interconnect Want to replace with a more musical sounding IC.
If you enjoy your Harmonic Technology speaker cables, why not consider some HT interconnects?  Personally, I use Audio Sensibility Statement SE interconnects(OCC copper) and like them very much.  Something from Acoustic Zen would also be a conside... 
Need a 3 meter IC- not bright- suggestion please
If you are a fan of OCC cables, I recommend you take a look at Audio Sensibility. 
Looking for integrated better than my Rogue Sphinx have an amp that you seem to like for the most part, but you haven't at least tried different tubes. It would seem to be a prudent step to take before the expense of buying something new. Another amp to consider that hasn't been me... 
Shopping for speakers at $1500-$2000 is a chore.
In one of your previous threads, I recommended the Ascend Acoustics Sierra2 speakers as something you should consider. I don't know how close this is to you, but you can arrange for an audition at their facility in San Clemente. 
Recommed a medium sized monitors that can go loud
You might consider Ascend Acoustics Sierra-2's. When I listen to mine I hear dynamic, clean, transparent, and musical. 
Recommendations for inexpensive Integrated
The NAD D 3020 at $499 has received a lot of praise.