Just went to the post office to collect the vsd2s and AN16.
Out of the box, the vsd2s feels very well made, the size of the shell is nice and snug on the ears. I love the cable, its like a matte version of the KZ EDSE cable. Included tips are not that fantastic, but will make do for now.
Tested it on some acoustic tracks, and it feels a bit mid-bass muddy and slow (not that obvious to me), but trebles are nicely extended and crisp. Vocals are lovely, the singer's voice really jumps out for me. Separation reminds me of um3x which i used to own (other than the slightly overpowering mid-bass hump that affects speed of bass). Haven't tested other genres yet, nor the AN16.
Pleased with the purchase, solidly built iem.