I see no reason why a woodcrest will not work in a desktop provided you get the right socket. The price could always be an issue but moore's law is indeed very interesting when applied to the multi cores
2 Cores @ 2.0Ghz
4 Cores @ 2.0Ghz
8 Cores @ 2.0Ghz
16 Cores @ 2.0Ghz
32 Cores @ 2.0Ghz
64 Cores @ 2.0Ghz
128 Cores @ 2.0Ghz