I've been testing the beta with 3 assets across 4 brokers and I've found that Zorro can't keep up with the data.

I have the Zorro window and the MT4 status windows right next to each other and watch the price on Zorro's status bar. I notice that somewhat frequently, Zorro holds still for at least a second at a time, while I can still see MT4 ticking. Zorro even keeps its little asterisk while I see the price change.

I've talked to support and they've just told me to increase TickTime (which is currently 1) but I don't think this is a good option, as broker arbitrage is extremely latency sensitive.