Cables for Nu-Vista, Marantz SA-14 & Confidence 5

I've been tweaking, swapping and moving around my gear recently and I'm hoping to get some good recommendations on cables (speaker, power and interconnects). My system currently consists of a Musical Fidelity Nu-vista M3 integrated amp, Marantz SA-14 CD player, Dynaudio Confidence 5 speakers, and a Audio Magic Stealth power conditioner. I'm also open to DIY but please only share if you use DIY yourself. I'd like to keep the cost to $500 or less for each set of cables.

Eric