Yep, that's how I remember the IX/D2 - tiny!
Looks good

though I would probably "lift" her a little bit... just a tad.
Curious I dug up my old GWX backup (RIP

) and see I used a draught of 5.7 meter.
Found some notes too regarding a "Deck Awash"-command... perhaps you are interested?
http://www.subsim.com/radioroom/showthread.php?t=159617