SilverFast SE for Nikon LS 2000 scans into 48 bit format, too. ICE is supported as well. SilverFast SE Plus allows to use Multi-Sampling to eliminate noise. This way the Dynamic Ranage of the LS2000 is significantly increased.
Read more here: http://www.silverfast.com/show/newsletter200608/en.html
SilverFast SE (Nikon) LS2000
scanner software
Version: 6.5.3