Mac Time Machine over SMB Windows Share

I've just bought myself a MacBook Pro last weekend. My very first Mac.
Having invested into Windows Home Server I chose to make it supports Time Machine.
That's ~$300 and network reconfig time saved from buying Time Capsule.
This is on MacOS 10.6.4

Configuration Steps:
- Create a dedicated share in WHS if you'd like it separated
- Type below command in MacOS Terminal. TM won't see smb share without this
defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1

Then follow this steps to prepare Time Machine sparse disk image
http://www.insanelymac.com/forum/index.php?showtopic=184462
Credit goes to thread owner

- Make sure your share is accessible and open by opening that share in Finder
- Configure Time Machine. The backup share should show up and selectable