Thats a fine sub you have there Roz!I saw one on ebay, is that the 1? doesnt it have a 30cm driver :JPS: Yeah, i know what you mean by my room being small!Cant quite afford to move out yet 
Im not looking for more bass coz the m53 has plenty, just looking for snappier response, sometimes in a dense mix like Rage against the machine low level detail loses its definition.will keep you guys posted on my demo of the Rotel which will be sometime this week 
Ultra