Hi.I have recently updated parts of my system namely the amp to a Marantz SR5023 and CDP to a Marantz CD5003 I have also changed my interconnects to Chord Crimson and speaker leads to Chord carnival.I have noticed a marked improvement over my previous Sony separates.I am running Mission 701`speakers through the system they are the only item that I kept.I would appreciate any advice on other speakers that I could look at that would work well with the above units preferably around the same size as the Missions.I like the look of the B & W 600 range of speakers but would I gain any improvement in sound or are there any of the new generation of speakers available that would be better.I dont mind buying 2nd hand i would spend up to £ 300.Music taste vary from Blues to Rock to Electronic.Please help me.Thanks