E Cards En Espanol Do PCI-E 2.0 Graphics Cards Fit In Regualr PCI-E Slots?

Do PCI-E 2.0 graphics cards fit in regualr PCI-E slots? - e cards en espanol

I always thought one of the NVIDIA GeForce graphics card (probably 9000) set the computer to see you soon ( "play Counter Strike on: Source and other games, the better). However, the teams are currently planning, only PCI-E and PCI cards and all GeForce 9000-series PCI-E 2.0. Thus, these cards are still capable of PCI-E Regual, or I should be looking for another card?

Here are the potential team:
http://us.acer.com/public/page9.do?sp=pa ...