Well, they’ve succeeded in coming in at under $630, but even so the €400 ($542) price rumored for the Slate is still too much when it’s coming up against the $499 iPad.
https://gizmodo.com/begun-the-tablet-wars-have-hps-slate-wants-to-undercu-5474343
The price comes via the Spanish Clipset site, so isn’t confirmed or anything—though they are saying it’ll support Flash, run on an Atom chip and will have a USB port, memory card reader and webcam (albeit on the back.)
https://gizmodo.com/see-hp-slate-see-hp-slate-run-flash-5488598
Launch details seem to suggest June, or “before September” for Europe. [Clipset via Engadget Spanish via Engadget]