You will probably get more help and suggestions than you thought. Speakers are the one thing everyone has an opinion on. My only advice is, listen to them before you buy them. Everyone has their favorites. Your favorites should be the ones you buy. www.audiogon.com is a good place to look for speakers. You could consider a powered subwoofer to use with your current system. You might find it is all you need to fill a larger room with sound and produce more bass.