[Kelven]

All time:
Hybrid - Finished Symphony

More recent ones I feel are pure gold.
Mark Pledger vs. Matt Hardwick - Fallen Tides (Mat Zo Remix)
Markus Schulz feat. Carrie Skipper - Never Be the Same Again (Markus Schulz Coldharbour Mix)
George Acosta feat.Tiff Lacey- I Know (Beat Service Proglifting Remix)