On the CPU/Motherboard frontier, a top-end Intel bundle is
there for you to pick up if your wallet is big enough for it.

intel pentium d 955ee d975xbx  Sim Lim Square Walkabout 9th April 2006

Intel 955 Extreme Edition Dual Core CPU and the Intel D975XBXLKR
Motherboard! The CPU goes for SGD$ 1716 alone while the motherboard
goes for SGD$ 432 alone at Cybermind #04-26 Sim Lim Square.
Bundled together, the two go for SGD$ 2135. Not cheap, but this
IS one of the most high-end setups around.