Mike,
Thanks for the offer and I would be interested if I didn't already have an amp. Let Brigadoon deal with you for the amp as he's so keen. I'm going to go with the suggestions around the Teac reference series, I didn't know such items even existed. Thanks to all for the tips so far.
HOUSEBOUND---Denon 720 AMP and CDP; Pioneer PL-300 TT (via Art DJ PreII + Nagaoka MP110) ; Yamaha KX-493 cassette deck; Beresford Bushmaster MKII DAC; Beresford Capella; Boston Acoustics A26 speakers; Sennheiser Momentum; Sennheiser HD598
PORTABLE---Fiio X3 DAP; Sony WM-DC2 cassette Walkman; Sennheiser PX100 ii; Beyerdynamic DTX 101.