Honestly, when looking at her, she much reminds me of the Charolei heifers that we raise in build. And when I say that, I don't mean it to be rude or mean- but she has the exact type of conformation of a cow as far as her topline goes. And you don't see jumping cows very often. Her topline is very, very straight. With little hindquarter definition. Add that to high withers (though I wont discredit her for that- it seems that nearly all of the tekes have the same withers) that join to a strangely tied in, short neck- and it almost makes her look like two horses were sewn together poorly. One horse's head and neck, and another horse's body. I just really don't see her being able to collect and round herself well at all with a neck and withers like that, as it seems to tie in wide at the shoulders as well.
She also appears to be under at the knees with long cannons, both things being very bad for a horse expected to take on a lot of stress. Add that to the fact that she looks like she might be a cribber and is being allowed to free jump fairly high with little to no training (shown with her terrible judgement of the fences) and the only thing that I really see going for her is her open shoulder- which, very possibly, could be counteracted by that wither and her chest.
That's why I don't like her. She isnt a bad horse, but she's absolutely not the horse I'd recommend for anything more than light riding.
I'm still in favor of the second horse (especially if you can get some more confo pics and jumping videos), though the grey is alright too. However, Blue made an excellent point about not limiting yourself to one breed. You may be missing out on some wonderful animals.