Hi all,
I'm working on compiling a list of Imagine recaps from the community:
- MageTalk Episode 38 – Tom “Voracious Appetite for Digital” Robertshaw, by Phillip Jackson, Kalen Jordan & Tom Robertshaw
- Imagine – The Greatest Commerce Show on Earth, by Karen Baker
- Welcome to fabulous Las Vegas, by Tobias Zander
- The Nextopia Team Takes on Magento Imagine 2015, by Emily Kuske
- "Open source wins every day. Every time.", by Fabrizio Branca
- Magento Imagine 2015: Sweet Tooth’s Journey, by Alex McEachern
- Imagine Commerce 2015 in Tweets, by Matthias Zeis
- Imagine Commerce 2015 in Tweets – Day 2, by Matthias Zeis
- Imagine Commerce 2015 in Tweets – Day 3, by Matthias Zeis
- Magento Imagine 2015 – Monday, by Sean Breeden
- Headlines, stats and the latest release – our work at Magento Imagine 2015 is done!, by Paul Green
- Future-Proofed Magento SEO – Magento Imagine 2015, by Paul Rogers
- Imagine Commerce 2015 – Day 1 Snippets, by Mohan Natarajan
- Imagine Commerce 2015 Show, Highlights, and The Road Ahead, by Karthik Chidambaram
- #UnstoppableCommerce at Imagine Commerce 2015, by Sara Underwood
- What I learned From Magento Imagine, by Isaiah Bollinger
- 37 Points To Wrap Up Magento Imagine 2015
- Magento Imagine 2015 - Day 1, by Antoine
- Magento Imagine 2015 - Day 2, by Hervé
- Magento Imagine 2015 - Day 3 - Record!, by Antoine
- Imagine Commerce 2015, by Mike
- What I didn’t imagine before Imagine Commerce 2015, by Lisa Schultz
- Vegas, baby! Shoppimon had a blast at Magento’s Imagine eCommerce 2015, by Roy Rosinnes
- Imagine 2015 | Creating Partnerships that Last in the Magento Ecosystem, by Beth Shero
- JHawk Takes On Imagine Commerce 2015, by Jennifer Hawkinson
- MageTalk Episode 39 – Imagine Recap Part Deux, by Kalen Jordan and Sander Mangel
- Highlights of the Magento Imagine Conference, by Tjitte Folkertsma
- dotmailer ‘unbound’ at Imagine Commerce 2015, by Jonny Dixon
- Magento Imagine Commerce 2015 Recap, by Neil Boughton
- Imagine Commerce 2015: Post-Hype Takeaways, by MageCloud
- Lessons In Guest Experience From Steve Wynn, by ParadoxLabs
- 2015 Magento Imagine Commerce, by Justin Poole
- Imagine 2015: Unbound Recap, by Aheadworks
- Imagine 2015: Creatuity’s Experience, by Stacy Farrington
- Magento 2 Updates: Visual Changes, Data Migration & Performance by Danny Verkade
And, while not a community post, I'd be remiss to exclude:
Please let me know if you find one I've missed! 
Cheers,
Sherrie