Slashgear have just recently written very informative articles and reviews of the Sleek Audio SA6, as well as the new Sleek Audio W1 Wireless. Take a look at the following links:
Sleek Audio SA6 In-Ear Monitor Earphones Review @ SlashGear
Sleek Audio Interview: SA6 Wireless, new models and more @ SlashGear
Sleek Audio developing Kleer audiophile wireless earphones @ Slashgear
There are plenty of close up photos of the SA6 and an in depth review. It's interesting what the reviewer says about the difference lossless audio files made with the SA6.
Also see CNET Crave's
review of the Sleek Audio SA6 and W-1 Wireless.