I was going to purchase the 7300GT for my new computer, but I noticed today that the 8500GT is just $20 more. I'm not a huge gamer but I'd pay the $20 if it was not only worth it but if the card would last me longer.
More about8500gt worth 7300gt
Yes, it is worth it just to have DX10.
It really depends what you do with it. If you don't play games, I don't see why it'd be worth it "just to have DX10". And if you do play games, they're both very weak anyway.
So what's it for?
The directx 10 platform will be in the new programs also !