I never would have bought TM1 w/o the promise of TM2.
Even with that, I kind of regret buying it.
For how I used it, it was a decent text editor that allowed me to experience the spinning beach ball of death at least 10 times a day.
I thought the free upgrades forever deal for Minecraft was great. I only rarely get to game and if I had to upgrade every six months to play with everyone else it'd be prohibitive.
It's a big obligation that the maker of Textmate and Notch of Minecraft took on but founders do sillier things (look at the deals VCs cut) for funding.
Even with that, I kind of regret buying it. For how I used it, it was a decent text editor that allowed me to experience the spinning beach ball of death at least 10 times a day.