hi, i am hopeing one of you guys can help me because you guys on the forum have a lot of knowledge. i want to up grade but i do not no what to change. I listen to all my music off my pc through a dac magic my amp is a rotel ro01 and my speakers are mordant short 902i by wired i have qed silver speaker cable and vandenhul inter connects with tasema power conditioner and mains cable. my speakers are positioned on stands that are sand filled but i am still not happy with my sound. i would like to get a little more warmth and detail. i thought of up grading the amp to the ro04 but those things are fetching stupid money on ebay. so i was just asking for advice and ideas anything that i can try or should look out for on ebay, but my budget is £150 -£200. Also do you think that a power amp would be of any benifit? i hope that i have covered it all thank you very much in advance tapper.