Upgrade from AQ King Cobra to Columbia DBS


I'm currently connecting my Jolida Fusion Pre to my BEL 1001 MK5 using AQ King Cobra, 2M. Would it be worth while to upgrade to AQ columbia with DBS, buying used? Thanks in advance for opinions.
mesch
Bought my second pair of Columbia. Run .5 m pair between DAC and Pre, and 1M pair from Pre to Amp. Thanks Bo and Zd.
@Mesch, could you talk a bit about how the Columbia improved you music over the KC. I demoed a new pair of Columbia a couple of weeks ago. I had it my system for 7 days so it had settled in and I got a decent handle on its sound. I did like it. It was detailed, quiet dynamic and smooth. In my system I need a bit more fullness/weight in the mids.

I'm trying to figure out if I should try the Yukon just below the Columbia and save some cash or try the Colorados. Thanks for any thoughts.
Samac, I just bought the 1M pair and have not yet received them. I will get back to you once I have listened to them. I went for the Columbia for they were the 1st in the DBS line, just above the KCs. At used prices, my cable outlay between pre and amp represents ~10% of my cost of both active components. Right or wrong, this is what I shoot for. I am not familiar with the Yukon.
Thanks, Mesch. I look forward to reading your impressions. I have different speakers now and I may demo the Columbias again. They are smooth and lively and might work better with the speakers I a using now.
Received and placed the Columbia cables into my system. I did not care to A-B then against the KCs, simply replaced and sold them. The result seems to be better imaging within soundstage and more 'air' around upper midrange/treble notes. I am happy. This represents the last piece to be exchanged in my system which took 3+ years to put together. Thanks all!