Here are a few lines to try: KEF, PSB, Energy, Athena, B&W, NHT, Wharfedale, and Epos.
There's tons and tons more brands out there... but those brands are generally well recognized and reviewed. The most important thing is to listen... your choice in music, the equipment you put with them, and especially your room will change the sound of any speaker. So listen with music you know well, and try to listen on equipment very similar to what you'll use, and best of all see if you can take them home and try them for a few days.