If it is a recent (last few years) Maadi, I would definately go with the Romanian. I have two SAR-1s (probably the Romanians you are looking at) and I like them a lot. They have several advantages over the similar-looking Maadis, including: Better finish (I think the Maadi receivers are painted black), a built-in scope mount (making it easy to install a Russian Cobra red-dot sight or any of the AK scopes), a chrome-lined bore (I don't really know if the Maadis have this), and enough U.S. parts to make it legal to use imported high-cap magazines (with the Maadis, I think you are supposed to installe U.S. floorplates and followers to increase the U.S. parts count and make them legal). Of course, neither of these are especially finely made rifles - I would check them over for straight front sights, etc. But I think you'll like the Romanians.
Doug