Starting a new setup. I am a novice and want to play a lot of traditional jazz, moderate to soft rock, older pop, and r & b. Shopping for some speakers, perhaps anywhere from Wharfendale to Mangepan ($800 budget). Looking at maybe a Rega RP1 turntable sometime soon. My question to you guys: I have an older, but solid, Sony DA333ES home theater amp. Should I just use it for now, or spend $300 on a vintage ADCOM GFA-545 II Amp & SLC-505 Preamp? Thanks in advance