The first two, IMHO, are too large for these small engines unless you are going full on race mode, without a stuffer they create a lot of turbulence. They are also difficult to get sealed. I have had OZ reeds on two engines, and aside from the reeds themselves sometimes being hit or miss with the quality, I have never been disappointed with them. Honestly, my only complaint with them is that they only tend to come with straight intakes. It would be nice if they could make an angled style for tight frames.
Between the G2 and Dio, I personally like the Dio more.