I would say keep researching until you know for sure what you want. But as for these two skis I have only ridden the chronics and loved every second of them. I feel they are an awesome first twin, made my friend buy a pair in Italy and he has loved every single way they ski. But I would also look into on3p from what I have heard they have and hold amazing edges, so it might be something that you would be very used to considering your racing background. I have never heard many reviews on el reys though, it sems like everyone would rather splurge some money to buy a pair of ar6's ar7's or any of the other armada skis.
Another good bet could be Nordica skis, they are built light and ski very very well, you can definitely tell they use some of their race construction into designing their twins. my favorite pair of skis to ride