I also see that Celebrity is having a weekend sale. Maybe this site posted to sale prices early and then were going to hold the reservations until the sale date.
Whatever you do, make sure your CC payments go directly to the cruise line not the TA.
A Bad Day At Sea [with power] Always Beats A Good Day At Work
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014