Just got an email from motorcyclegear.com (former new enough) that Shoei Multitec modular helmets are on clearance and can be had for $300:
http://www.motorcyclegear.com/street/closeouts/all_types/shoei/?utm_source=Shoei+Multitec+Modular+on+Closeout+Now!&utm_campaign=newsletter&utm_medium=email
http://www.motorcyclegear.com/street/closeouts/all_types/shoei/?utm_source=Shoei+Multitec+Modular+on+Closeout+Now!&utm_campaign=newsletter&utm_medium=email