I have deposit savings and credit card too. PTSB are offering the usual 6 months interest free on credit card balance transfers, and I'm going to try them and see if they give me the same card limit. I'll update when I get result.
Savings issue might be one to watch more closely: there are rumours/speculation appearing about the possibility that savings deposits may be 'raided' to help fund the banks' recapitalisations next year. Sounds improbable? So would 40% tax rate on all savings, or pension levy, a couple of years ago. They're already raiding your savings interest and pension growth. The bank recap. issue is a very big elephant in a very little room for manoeuvre...