Marketing Resources and Gurus 

Guerilla Marketing – Jay Conrad Levinson

Action Plan Marketing – Robert Middleton

Marketing Best Practices – Robert Frey

Duct Tape Marketing - John Jantsch

Marketing Sherpa

RainToday

Verical Marketing Guidelines

Marketing Associations

Direct Marketing Assoc

Business Marketing Assoc

Sales Lead Management Assoc

CRM and Marketing Automation

Compare CRM Solutions 

Zoho CRM - very affordable, online CRM

SugarCRM - popular, open source CRM

vTiger - smaller open source CRM

freeCRM.com - simple, free CRM (with Ads)

WeMeUs - online relationship mgt, multiple contact sources

ACT by Sage - inexpensive, popular CRM software

QuickSoft - free (beta) Outlook to ACT sync program

Outlook BCM - Microsoft extension to basic Outlook

PinPointTools - Outlook/ACT drip marketing add-on

Eloqua - popular enterprise-class marketing automation

Email Marketing

Constant Contact - popular email marketing service

Aweber - great selection of tools for business marketing

iContact - another popular service

Swiftpage - eMail and drip marketing (and other) services

Vertical Response - another popular service

Benchmark - easy to use, and low-cost

Elite email - 'no subscription' email marketing service

Mail Chimp - full feature email marketing, pay as you go service also