This was posted on the 3rd of May and is pretty generally at the the content but it gives a date. Honest Hearts is (apparently) coming out on the 17th.

http://www.oxm.co.uk/28001/news/fallout-new-vegas-gets-three-new-dlc-packs-this-summer/

Just thought i should raise it (and to remind if there is a previous thread)

Ummmm....this is old news. We got this news yesterday.
I'm pretty sure people remember this information a day after they got it, though.
But, yes I just read the description of your thread, "Just Incase". So no problems.