Silly. I've been watching Amazon for good deals on used C1s and they're few and far between. (I don't usually use ebay.) I just searched ebay and there are a total of 4 Chumbys for sale, only two of which looked remotely reliable. To the OP, too bad you didn't join us on a positive note and try to sell them in The Market thread on our forum.
There are lots of Internet clock radios that sell for a lot more than Chumbys. I don't recall seeing any with a choice of clock faces. I think your instincts are right, sell your Chumbys on ebay and put the proceeds into buying a used Dash. Sony has a very nice forum for you that you might want to try to get some straight answers about their situation.
BTW, I think the Appolo 11 guidance computer had something like 4 kb RAM. (Though I'm sure someone may correct me on that number.)