Got the final product samples of the Suenaga apparel that you saw in the Anime T-Shirts article - they are gorgeous!
They are also up for pre-order on a few sites which you should be familiar with.
The "d" logo was originally square for the website but when Azami sensei designed the logo for the shoulders, she made it a diamond which looked better.
Anyway, you can get the T-Shirts from the following retailers who deliver to outside of Japan.
AmiAmi
HobbyLink Japan
Hobby Search
ToyLet
Retailers that deliver to Japan only are:-
Rakuten
Cospa
Amazon Japan
HobbyStock
Hana.net
Folks attending the AFA in Singapore will also be able to buy the T-Shirts from the Genesis Frontier booth.
Rest of the photos from the Anime T-Shirts article.
Yoroshiku onegaishimasu!