Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
"I am leaning towards either the CSP, the United Card, the Amex Gold, AA citi or British Airways."
If your trip priority is free (Coach) trips to Ireland, get cards that earn you BA Avios -- either directly, or via a points transfer.
If your first priority is to get Business Class awards to Asia, then you should look at getting cards that will earn you high sign-up bonuses for AA and UA, as each of those FFPs offer one-way awards. But without telling us your actual income, I don't know if there is anyone on this board who can accurately predict the odds of your being approved for any such cards.