Hi Mabonn:
Stereo Design sells Linn and I cannot imagine why they would not be recommended for proper set up, they've been a dealer for decades.
However, two other San Diego area options -
http://www.blackbirdaudio.com/
Dan worked at Stereo Design for many years and now has his own dealership. He is an expert with Linns.
http://www.audiorevelation.com
Jay is not a Linn dealer but has extensive experience in tt setup in general. Plus he is right next door.