Paid Dating sites spent $430 million in the USA from Jan to Nov 2006.

Complete press release from nielson is here..

http://biz.yahoo.com/prnews/070227/nytu150.html?.v=89 

Advertising breakdown of the dating industry in the USA.

Media Type                    Jan 2004 -    Jan 2005 -  Jan 2006 -
                                  Nov 2004      Nov 2005    Nov 2006
                                  $ mil         $ mil       $ mil
    Cable TV                      $56.7         $87.8       $130.6
    Internet                      N/A           $88.9       $127.3
    Spot TV                       $43.5         $55.8       $75.1
    Spot Radio                    $9.3          $25.5       $33.1
    Network Radio                 $17.1         $17.0       $18.6
    Network TV                    $4.4          $2.7        $15.1
    National Magazine             $9.8          $19.5       $11.9
    Syndicated TV                 $0.0          $5.6        $8.7
    Local Magazine                $2.3          $2.0        $3.1
    Local Newspaper               $4.3          $3.6        $3.1
    Spanish Language TV           $0.0          $1.5        $2.1
    Outdoor                       $1.0          $0.5        $0.8
    National Newspaper            $0.4          $0.3        $0.4
    National Sunday Supplement    $0.0          $0.2        $0.2
    Grand Total                   $148.8        $310.9      $430.1

    Source: Nielsen Monitor-Plus