I'm bouncing between a few options for a track spike. I'm considering either the saucony endorphin MD4, the nike victory 2s, or the victory elites. I run mainly the 800 but sometimes the 1500. I've had the victorys before, but they were the older model and they tore after a few weeks of use. They also didn't seem as aggressive as I would have liked for the 800. So I'm hesitant about either the victory 2s or the victory elites. On the other hand, I've only ever had Saucony XC spikes, and have no experience with saucony track spikes. Does anyone have any suggestions or helpful reviews of any of the three spikes?