Mogami 2921 vs Canare 4s11 vs ???

My goal is to build new cables that I will use for the next 15 years, no matter what speakers I have, but I don't want to spend money that will force me to get a 2nd mortgage..  My current speakers are 4 Ohm so my thought is I need at least 12 gauge - 10 gauge wire.  I am planning to replace my AudioQuest Type 4 speaker wire in my home theater with Canare 4s11 until I found Canare 4s11g, unfortunately you can't buy Canare 4s11g, at least I couldn't find it for sale.  So I began looking at other speaker wire and  Mogami speaker cable appeared.  There are several choices, the 3104, 3103, 2921 are a few.them. Most of the ink is on Mogami 3104 speaker wire and it is highly regarded. I noticed Mogami 2921, 4 conductors of 14 gauge wire appeared to be exactly like the Canare 4s11, except the Mogami copper wire is OFC.  My question for the experts who support this forum are:  Is the Mogami 2921 as good or better than the Canare 4s11?  Should I continue to search for Canare 4s11g cable or just be happy with the 4s11? Should I expand my budget and use one of the Mogami flavors (3104, 3103, 2921)  wire?  Should I stop the search for wire and just purchase 10 -12 gauge OFC wire and end the analysis paralysis?

If the DIY speaker wire build goes well I am sure I will replace my Monster cable stereo connections with new cables and connectors, but first things first..... the speakers need new connections.  Any and all feedback is welcomed.