VA-Interactive:
On Line Course - Building a plan for starting or improving your business. A must for succeeding in business.

Palo Alto Software:
Sample Business Plans -  More than 100 free samples, covering many types of small business ventures

Intuit Software:
Business Advise - Business tips from the publishers of QuickBooks

Inside MSN:
How to Write a Business Plan -  A quick nine-step guide to what you will need in your company's business plan