Based on the Google standards and the provided knowledge about the Dyson Supersonic hair dryer deal, the news article outline and plan can be structured as follows:
Outline:

- Introduction
- Brief overview of the current historic deal on the Dyson Supersonic hair dryer.
- Importance of the Deal
- Highlight the significance of the discount and the advanced technology of the Dyson hair dryer.
- Details of the Deal
- Discuss the discount percentage, actual savings, and where the deals are available.
- Key Features of the Dyson Supersonic
- Explain the innovative technology and benefits of the hair dryer.
- Comparison with Alternatives
- Mention the uniqueness of the Dyson hair dryer compared to other lower-priced alternatives.
- Retailers Offering Deals
- Provide an overview of the retailers with discounts and their pricing.
- Conclusion
- Summarize the rare opportunity presented by the current deal and the value proposition of owning a Dyson hair dryer.
Plan:

Ensure Originality and Value: Incorporate detailed information on the Dyson Supersonic deal and its technology features to add value for readers.
Demonstrate Expertise: Highlight the premium quality and benefits of the Dyson hair dryer to showcase expertise and deep understanding of the product.
People-First Approach: Focus on how the discount benefits consumers and provide insights regarding the features that cater to their hair care needs, aligning with Google’s people-first content standards.
Clear Attribution: Clearly attribute sources of information and maintain transparency throughout the article to uphold reliability and trustworthiness.
Engagement: Encourage reader engagement by prompting them to consider the value of investing in a professional-grade hair dryer at a discounted price.
SEO Best Practices: Incorporate relevant keywords related to the Dyson Supersonic, hair care technology, and current deals to enhance searchability and visibility.
This plan integrates the key aspects of the Dyson Supersonic deal with the Google standards on creating helpful, reliable, people-first content to deliver a high-quality news article that caters to a diverse audience.

