Did a quick analysis of the Techmeme Top 10 Stories for 2008, split by companyt type (Old Co's New Co,s) and what they were doing (Old tricks, New Tricks).
The Top 10 are (to precis):
1. Microsoft: Microsoft Proposes Acquisition of Yahoo! for $31 per Share
2. Apple: Apple Announces Its Last Year at Macworld
3. Philipp Lenssen / Google Blogoscoped: Google Chrome, Google's Browser Project
4. Apple Developer Connection: To Our Developers - Apple revised its developer terms to rescind a cumbersome non-disclosure agreement
5. John Markoff / New York Times: Google Is Taking Questions (Spoken, via iPhone)
6. Charlie Demerjian / Inquirer: Google to buy Valve (games maker)
7. Wall Street Journal: Music Industry to Abandon Mass Suits
8. Michael Arrington / TechCrunch: Google, Microsoft Said To Be Preparing Bids For Digg
9. Mike Nash / Windows Vista Team Blog: Introducing Windows 7
10. Jesusdiaz / Gizmodo: iPhone 3G Launch Date Confirmed
As you can see - mainly big old dogs trying to get into new tricks.