My mum has a proper sewing cabinet with the machine bit that you can push the machine down into it and it opens out, but TBH I hate it. It's cumbersome and ungainly and a bit ricketty and it a Janome one.
I have my machine and OL on a white desk I got from Fantastic Furniture. It wasn't very exxie and it's not huge but both machines can sit comfortably and are able to be used. It has a couple of drawers under the desk (not down the side like a traditional desk) which are good for bits and bobs.
Before that I used a $40 computer desk from Ikea (actually the one I'm sitting at now ) and used a cutlery tray on the keyboard bit to hold what I needed.

o and ETA - you should ask your mum - you never know your luck