Boston at a discount

Boston Properties, which owns the Prudential Mall has a discount card (good for a bunch of their shops) for sale, and N4 members can get a discount on it, since they're visitors. For more info go to:
http://www.prudentialcenter.com/visitor/

Other discount offers:

Boston restaurant, museum, etc., discounts using the Boston USA Specials:
http://www.bostonusa.com/visitor/resdet.php?cat=&cat_seqnum=&type=event&seqnum=7931

Boston Visitors kit:
http://www.bostonusa.com/Merchant2/merchant.mv?Screen=CTGY&Store_Code=GBCVB&Category_Code=visitor

Go Boston Card:
http://www.gobostoncard.com/