Check out the thrift and second hand stores.
You can often find something that isn't all that pretty, and heavy/solid as can be.
You could easily spiff it up with some fresh paint.
And don't forget to ask friends and colleagues if they have something that they no longer want.
What would be really solid ....... a treadle sewing machine table.
Yes, that is what I would go for because I would love the contrast of the two generations of machines
and the conversation piece it would become.