Hi Tom6897,
I admire your resourcefulness. The Ikea Lack table is very inexpensive.
The low cost Salamander rack I currently have, is also made of heavy MDF, and it sounds pretty decent.
I'm going to take a chance on a walnut hi fi racks system.
http://www.hifiracks.co.uk/products/hi-fi-racks/Podium-Reference
I hope placing the HRS platforms on this will work.
Labpro