Well if you are willing to pay a lot for DX10 cards then wait. If not, better buy it for 7-8 months until DX10 mainstream cards come. Btw, what hardware do you have now? ie. card
Ἢ τὰν ἢ ἐπὶ τᾶς - Μολὼν λαβέ
Today is a gift. That's why it's called the present.