I bought two kitchen cabinets, put 2x4”s horizontally on the sides between them at the table height needed, then laid a ¾ sheet of plywood cut as a table top and screwed into the 2x4s. To make the whole thing more stable I put a sheet of plywood across the back of the two cabinets and table top. I screwed in a 2x4 at the join of the plywood sheets. I then screwed the back sheet of plywood into the wall studs. It has been good as an enlarger stand, but I suppose the table could double as a tornado shelter.
The second enlarger is a Durst 138S converted to 8x10 cold light. It has a weighted floor stand. The top of the stand in bolted to the wall. Vibration is not on my wish list.