anyone regret upgrd 2 apogee symph from x-series?

I have two da 16xs, an ad 16x and a rosetta 800 on a symphony 64 card



I'm wondering if it's worth it for me to upgrade to the symphony i/o



is there anyone that has used the two and doesn't think that its worth upgrading?

anyone regret upgrd 2 apogee symph from x-series?