recomend me a DAC please I have a Marantz sa7001 KI sacd player and a Marantz PM 7001 KI amp running into a pair of old B&W'S DM 603-s3 which i have re-wired internally with solid silver cable and swapped a few caps with wilmslow audio jobs, I would like a new pair of speakers this year for my 50th birthday up to around £1500 new or sh not bothered which, thing is buying a new cd player and amp would be expensive and I thought maybe a good DAC might be the way forward ? or would that make the amp the weak link ? anyway any help would be appreciated thanks