TMFPMarti: I do have non-IRA cash to pay the resulting tax liability so I'm covered in that respect. In regards to 1040-ES, do I need to complete that if I plan to use EFTPS (which I've never used before so I have no idea how it works)? I signed up for EFTPS two days ago and I'm supposed to receive my PIN in a week. Am I correct in assuming that I can simply make some type of lump sum payment in my name without specifying exactly what it's for?vkg: Thanks for reminding me about the state requirements. It hadn't even occurred to me that I would need to make an estimated payment for that as well, and I do need to pay that by Jan 15th as well (and I signed up to pay it online).Thanks to both of you for your responses. They were extremely helpful.