Hi friends, sorry my english, im from Argentina.
I found the easy way to install the google market into this tablets.
If you brick your tablet i will not be held liable in any way, shape, fashion, or form so proceed at your own risk
1) Root your tablet with universalandroot-1.6.2-beta5.apk
UniversalAndroot-1.6.2-beta5.apk - 4shared.com - online file sharing and storage - download
2) Install Root Explorer
Root.Explorer.v2.7.apk - 4shared.com - online file sharing and storage - download
3) Install this Gmail app
4) Download this zip file http://www.megaupload.com/?d=4ZZWSZKU to your PC and copy the 4 files into the /system/app with Root Explorer into the /system/app of the tablet.
5) Install first GoogleServicesFramework, then MarketUpdater and then vending. Exit the root explorer.
6) Add your Google account following this video
7) Restart your tablet and clic the Market Icon !! Its all !!!
Notes: If your market app ask for your Gmail account and not connect, create a new account like firstname.lastname@example.org next , next, next and Finish !
Good Luck !!