I think it might be better to remove the other effects. If you could pick between having fun and remembering having fun, all else being equal, which would you choose?
If that's the case, then I think it depends on how frequently you get to have fun in the present.
The value of remembering having fun greatly exceeds the value of having fun if you don't get to have fun very often -- because memories can continue to bring happiness through reflection. But if you get to have fun all the time, then the memories lose much of their value. If you have fun ALL of the time, then there's very little time to reflect on memories.
I don't think I understand the riddle of experience vs. memory. I would daresay that means the concept is half-baked.
Within the TED talk, Daniel Kahneman poses the probably familiar philosophical quandary: if you could take a beautiful vacation and afterwards your memory and photo album was completely erased, would you still do it? Whether you would still do it illustrates whether you live in service of the experiencing self instead of the remembering self.
Part of what prevents me from understanding the riddle is that I believe vacations are worth more than the memories and photos: vacations change you.
Maybe you could argue that this change is also a form of memory in service to the remembering self, but I'm not sure that's what he meant. In his thought experiment on vacations he asks if you would still take a vacation if, at the end of it, you forgot the whole thing and all of your photos were deleted.