Bit late to the party but here goes.
The S1200KP supports VT-X with an i3 or E3. The i3 supports ECC ram although Intel seem to be trying hard to hide the fact.
i3 processors do not support VT-d, you need an i5, i7 or E3. As the S1200KP can only take Pentiums (LGA1155 obviously), i3 and...