We can have some hope that a future release of WebOS will bring funambol (SyncML) support, which would be great for finally being able to sync to our own cloud at home :

Poking Around webOS 1.3

https://www.forge.funambol.org/download/#

Hhm and Funambol seems to think the exact way palm does - mobile apps will be HTML, CSS, AJAX - interesting article here:
Mobile Open Source: Why did you acquire Zapatec?