Upload & Sell: Off
> - Build an outdoor gymastics gym and host the events there midday
You know by the time you add up the new lens, a new body, a flash ... it might be the cheapest option.
Of course, then you will get the naysayers of "Never shoot at noon in the sun!" There's no "perfect" answer.
The lens you bought sounds like the best compromise of the various issues you are balancing.
Good luck with your lens and shooting.