Hi There I am looking at a considerable upgrade to V-DAC mk II + V-PSU II , and would like to know what would be the best Upgrade options around 500 ish GBP Im thinking about REGA, JKDAC32, Audiolab M-DAC . Someone previously mentioned that V-DAC II + V-PSU II sounds similar to MF M1 DAC , Hence I am not looking at that option, As that would only give me sublte improvement . What i would like is a massive improvement . Any suggestions? My Setup Is as Below : Sources : Panasonic Blu Ray Player - for CDs & Movies , Dell Laptop for playing FLAC / WAV Cambridge Audio 650A, Monitor Audio BX2, v-DACII + V-PSU II , NJC Monitor II HPA, Hifiman HE-400 heapphones