Even if the company has a problem with it, you'll probably get away with it longer than you would if you were using the actual company name in your domain. And some companies just seem to not give a shit or they don't have anyone keeping an eye on people using their TMs.
If you think there is good money at stake, I'd say get started now, and if and when you get contacted by the company, worry about it then. Or get the site profitable and sell it for a good price before you are ever contacted, and let someone else roll the dice with the site.
- Pretty much the only good affiliate network left.