Sorry, a bit late but better late than never
The aquagratiX 1900 block is ready and sould be shippable around March 10th. It will cost 72.89 Euro.
The block will fit X1900 and X1800 XT/XL/AIW cards.
A few pictures:
If you want to know how this block is produced you can download a little making of video. It will not show everything but it will give you a good insight.
Download Video, 31mb, WMV