Three months late and full of errors
The Dell blog entry this is based on was posted on March 9th almost three months ago.
There's only one motherboard being offered to upgrade to, the choice XPS700 owners will have is whether to purchase a quad core CPU at 25% off Dell's pricing (unlikely to be a bargain).
I don't remember any forum members complaining about lack of support for Intel virtualization technology, it's not like it has much relevance to the PC gaming market.
Dell quickly pulled the BIOS update as it was rendering some machines unbootable.
There are still unresolved issue with the machine e.g. X-FI Screech of Death, that Dell has not made any progress resolving
While I give Dell credit for stepping up with this program, it took 9 months of sustained effort from the forum users for it to occur, it wasn't volunteered by Dell, it was dragged out of them, kicking and screaming every step of the way.