T105 with 2 500Gb drives and an Intel PCI nic added, works like a charm and about the cheapest bulletproof name brand Server setup for SME. Runs 7.3 out of the box, the inbuilt NIC is recognised without problems unlike some SC440's.
I've built several of T105 SME boxes and they have all been flawless. Watch the special and you can get T105's delivered in basic configuration for under $400AU, with 1Gb of RAM, add a supported NIC and a pair of decent sized SATA HDD's and still have change from $550.00.