Motherboard trays for cheap?

[LightningCrash]

I was looking at this now that the CM ATCS 840 trays @$12 are gone:

http://www.frozencpu.com/products/i...ement_PC-6X_Motherboard_Tray.html?id=C9EE6MTz

Wondering if anyone else had anything cheap they knew of that was reliably in-stock.
I want to work up a wood chassis and put these in Google-style.