A recent MediaWeek article outlined the Top 30 Newspaper Websites in April, 2008 - noting that only seven of the websites showed a decrease in traffic from last year. Here's a list of the top 30, as provided by Nielson Online to MediaPost:

NYTimes.com
USATODAY.com
Washingtonpost.com
Los Angeles Times
Wall Street Journal Online
Boston.com
SFGate.com/San Francisco Chronicle
New York Post
Chicago Tribune
Daily News Online Edition
Atlanta Journal-Constitution
Chicago Sun-Times
Newsday
DallasNews.com - The Dallas Morning News
The Houston Chronicle
International Herald Tribune
Seattle Post-Intelligencer
The Politico
MercuryNews.com
The Seattle Times
The Sun, Baltimore
Azcentral.com
The Washington Times
Village Voice Media
Philly.com
Star Tribune
NJ.com
St. Louis Post Dispatch
The San Diego Union-Tribune
OregonLive.com

A recent article from MediaPost provides an interesting opinion from a top researcher in the digital field regarding the future of newspapers. Jeffrey Cole - director of the USC Annenberg Center for the Digital Future - believes that " Newspapers...have the greatest opportunity they've ever faced," in light of the rapid growth of internet usage. To read the full article, Click Here.

Newspaper & magazine associations are a great resources for publications and advertisers alike. They can provide publications with new sales tools, training, research, group ad sales and more. Additionally, associations like NAA & MPA compile valuable statistics that can be used by both sales teams and advertisers to analyze the effectiveness of print advertising in certain categories. To check out the regional and national associations, click on any of the links below - to view a complete list of national & international, DMOZ has compiled a great directory.

National Associations
AAN - Association of Alternative Newsweeklies
AFCP - Association of Free Community Newspapers
MPA  - Magazine Publishers of America
NAA - Newspaper Association of America
NNA - National Newspaper Association
NNPA - National Newspaper Publishers Association
SNA - Suburban Newspapers of America

State/Regional Associations
Alabama Press Association (APA)
Arizona Newspapers Association (ANA)
California Newspaper Publishers Association
Community Papers of Florida (CPF)
Iowa Newspaper Association
IPA - Inland Press Association
MFCP - Midwest Free Community Papers
Minnesota Free Paper Association (MFPA) 
Missouri Press Association
NENA - New England Newspaper Association
New Jersey Press Association (NJPA)
NYPA - New York Press Association
Ohio Newspaper Association (ONA)
PNNA - Pacific Northwest Newspaper Association
SNPA - Southern Newspaper Publishers Association
WNPA - Washington Newspaper Publishers Association