Problem with Black Ultimachine PLA

So I am printing fine with translucent blue and natural pla, I go to try black and this happens, on every print. Sfact and Slic3r, from 160c to 210c, at 120mm/sec and 40mm/sec.

Anyone seen this before?

Thanks

File information
Filename:	IMG_8007.JPG
Album name:	lasivian / Problems
Filesize:	3244 KiB
Date added:	Feb 24, 2012
Dimensions:	3456 x 2304 pixels
Displayed:	140 times
DateTime Original:	2012:02:24 16:50:30
Exposure Time:	1/60 sec
FNumber:	f/5.6
Focal length:	46 mm
Model:	Canon EOS DIGITAL REBEL XT
URL:	http://www.lasivian.com/coppermine/displayimage.php?pid=3761
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