Look elsewhere.
I say that not because DevForce is incompatible with REST. True, we do not offer a REST front-end but that is beside the point. I'd be tempted to respond the same way had you asked if we used WCF or SOAP.
I answer abruptly because the question, as asked, reveals a fixation on shiny-ball technology at the expense of the application and its stakeholders.
"Should I use x or should I use a different framework?" ... is like asking "do you serve spaghetti or should I eat at another restaurant?" If you only care about spaghetti, go some place else. If you want to have a wonderful dining experience for yourself and your guests, we can talk.
There might be a conversation if we knew why REST was important to you. If you don't want that conversation, you have your answer.
Sorry for making an example of you, m20082008. Unkind perhaps but an object lesson in the perils of technology fetishism to which the best of us succumb.