Can you recommend reasonable speaker cable

My system consist of Sim Audio Celeste, Aragon 28K Pre, Soliloquy 5.3, Rega Jupiter CDP, Musical Fidelity Tube Buffer and Power Supply, MIT 330 Shotgun connection between Amp and Pre, Straigtwire Sonata for Tweaks.
Now I have Kimbers 8tc but they are now too small for my space and I need cable at least 8' each.
Suggestions..Thanks