From ZDnet:
Eee PC models are currently available in each country with a choice of hard-disk drive (HDD) or solid-state drive (SSD), the company will from August offer only one version per model in any given country.
It seems that Asus is planning to simplify the product line to prevent confusion among consumers. What I’d like to see soon is a high-storage yet cheap SSD so we can finally let go of HDs.