The actual invasion starts Tuesday (May 1) after maintenance. It is part of the 8th Anniversary celebrations. I haven't seen an enddate announced yet.
Thanks! Great timing as I am off work next week 
There are automatons chattering about my living room. Whole house is getting a bit humid.
Speeding Through New DA Repeatables || Spreadsheet o' Enhancements || Zombie Skins: better skins for these forums || Guide to Guides
Oooh, this sounds like fun.
But alas, right now it's only MONDAY morning. Oh, well.
Stuck at work, but main page says something about a Nemesis invasion to celebrate 8th Anniversary and to log in for more info.