Regarding seed movement: there are a number of folks that will "rag-sow" seeds--as in, put them in a moist paper towel (nside an open-ended baggie) and place them in a warm spot until the seed has germinated, then the seed will be planted in medium. Based on this information, I would hypothesize that seed movement, as long as it's not too out of control, shouldn't cause germination problems. I have been completely hit or miss with my seeds this year. It may be that your seeds had started to germinate and then got too dry and died before they were able to take off--my tomatoes always sprout long before peppers.

For the record, if you have ever grown tomatillos before, you may have heard that it's best to plant them in pairs; some won't set fruit if there is only one plant. Doesn't make sense to me, but I've always planted them in pairs, and never any regrets for having done so.

Don't give up on your babies; if it's nice outside, just put them outside in a greenhouse-style protection--just put those peat pots (watered from the BOTTOM to avoid more trouble) into a cleaned out milk jug. Go check out the winter-sowing forum and FAQ's(no, it's not too late to wintersow if you're still starting indoors from seed) and let mother nature do the hard part--just be sure your medium stays moistened--tomatoes are very unforgiving when it comes to moisture.