I don't know if you realize this, but the Galaxy S meets your criteria. The Galaxy S was released with Eclair (2.1) and got two major upgrades: Froyo (2.2) and

I don't know if you realize this, but the Galaxy S meets your criteria. The Galaxy S was released with Eclair (2.1) and got two major upgrades: Froyo (2.2) and Gingerbread (2.3). I'm not sure what this means for your definition of reasonable support, but I thought it was worth noting.