Hmmm, impulsive, tech-depedendent, indecisive and Tom Bihn obsessed. Nancy, are we related?
OK, strangely, I am in exactly the same position. I sold an iPad1 right before Christmas because I saw the price getting worse not better and I find myself trawling the refurb site as well, although my personal struggle is "3G or no 3G?"
In my experience, rumors and rumored new product launches do not directly impact Apple's new or refurb pricing. Apple will likely adjust pricing on the iPad2 when they launch the iPad3 and March does seem fairly likely.
What does seem to impact Apple's refurb pricing is supply and demand and there are two big rumor drivers right now in the ether: CES, which just finished and MacWorld, which is week after next. Both of these will continue to swirl the rumor mill and put people like you and I in a dither as what to do. Sales will slow and Apple's inventory will rise, which should cause them to lower their prices to move through some inventory.
So, useful as the iPad was for you I would recommend that you do what I am currently doing:
Wait for at least the next two weeks and check the Apple refurb site obsessively.
If you are set on another iPad1 I think you will need to be prepared to jump on one if they show up on the site. A better approach might be to start shaming your friends that still have an iPad1 ("You know the iPad3 is about to come out don't you? Do you want to be left behind the curve? I will just take that one off of your hands because I am such a good friend") to see if you can grab one at a deal that way.
So...my advice is that we suffer together....for at least another couple of weeks.