I've never done etching. A year or two ago, I was going to get some fairly expensive etching equipment, but I held back.
To be honest, etching works well if you have the right setup, but if you really want a board that's going to be used out in the field, I think I would just get it made at a PCB house. Event he cheap ones will probably be better quality and more reliable than etched. Prices have gone down...
However, if you mess up a board you sent out to a PCB house, well then you just wasted a lot of money. Moral of the story: Don't mess up.