Currently driving a minivan, but have minimal commuting distance; previously had a 1st Gen Vibe (as mentioned near the beginning of the thread.)
If I was looking for something new (to me), one that would be on my short list, that I haven't seen mentioned yet, is the Mitsubishi Mirage: probably the closest "modern" equivalent to the Geo Metro.
Story like this gets better after being told a few times. Or maybe it's just a tiny ad:
The new gardening playing cards kickstarter is now live!