Here's the dliema. I'm about to buy an Acram A18, with a plan to buy a second hand amp to bi-amp my system (somethingk like a P75 or P80). Would this be better than spending more money and going for an A28? Does anyone have any experience of bi-amping an A18? I'ne got around £600 to spend so the A28 would break the bank, although I might be able to squeez to the A28 if there is a big enough differnce between the A18 and A28. If I went for the A28 I would not be able to afford the bi-amping option. My speakers are Tannoy F4s and source is a CA DACMagic. My setup is base heavy due to the room layout, which is why I'm thinking of the bi-amp option, as it would give me more control. Help please. Thanks