I'm not saying he'll bring back the Blues a 1st and a blue-chip prospect....but he won't need assets attached to him to be moved. If his contract were waived, I believe it would be claimed. You don't think Army could get a 6th for the guy? A 3rd? A 2nd? Look around the league at the teams that suck and could use a proven, puck-moving, PP-QBing, LHD. This isn't Brent Seabrooke or Marc Edward Vlasic we're talking about...this guy is a proven commodity in the prime of his career signed for a relative bargain compared to the top-tier D-man of today. The trade board show teams such as Detroit, NYI and BOS all having fans who'd be open to giving up things for him. And it's not like he's shit the bed like Justin Faulk did in yr.1. All things considered, his two full seasons to this point have been pretty worthwhile.
You're correct in stating that we don't know what he's worth until he's sold. But I have a feeling that his worth is greater than you're making it out to be. Just because the Blues fans don't value his skillset (largely in part to what we've got in house, and as a perceived weakness to the current roster in general), doesn't mean the rest of the league feels the same way. Back in 2006, Krug would have been a Godsend for this organization.