He looks at eight different topics:
- It's the execution model
- Excellent database support
- PHP Arrays
- The SPL Extension
- PHP 5(.1) XML Support
- The stuff that says it works...works
- Unicode and ICU
- Stuck in Little boxes
For each of them he explains them briefly, dispelling any rumors that might have come up from those not as experienced with the PHP language.
Update: if you'd like to help promote it, it's been digged.