Dreamhost users can vote on two suggestions to support IPv6 with Dreamhost plans.  One is to simply add AAAA record support to their DNS management interface.  The other is to add IPv6 connectivity either as part of existing plans or as a separate plan. (Not clear) If you have a plan with Dreamhost, make sure your vote is counted by visiting the link below!
https://panel.dreamhost.com/index.cgi?tree=home.sugg