SID will be releasing their LIVE DVD 『SIDNAD Vol.7 ～dead stock TOUR 2011～』 on 5th October 2011.
In addition, they will be holding a members only tour 会員限定ツアー2011 (Members Limited Tour ~ 2011) for ID-S and SID MOBILE members which will span a total of 8 performances.
They have also stated that their 1st single in 2011 will be announced soon.
Lastly, ID-S only concert in Nippon Bodokan in October is SOLD OUT! :)
Source: SID Official Site