Bob, you are beyond "conservative view". You are creating an issue that just doesn't exist, that no one has to worry about, that has no basis anywhere other than your own posts. It seems like you need the reassurance of "HD" lettering somewhere on the package or cable. I don't, since I have some...
The CL2 stuff is for in-wall installation, safety in case of a fire. The cheap HDMI cable will work fine for just connecting components over shortish runs. Over a really long run (dozens of feet) you might need the more expensive thicker ones to avoid dropouts (sparkles on the screen).
As I've stated many times before, this is quite untrue. One doesn't need "HD cables". These cables are made of the same dimensions & materials as any other RG-59 component cable that may happen to have the lettering "HD" on it. The lettering changes nothing. It defies the laws of physics to have...