How about Rooting Dell Streak with Froyo 2.2

I read a lot of blogs on the internet about Rooting your Android.  But, it was hard to find something specific to Dell Streak and with Froyo 2.2 untill I found this

http://forum.xda-developers.com/showthread.php?t=833953
This blog states that z4root will work on Dell Streak running Froyo 2.2 and a lot of feed back is there.  the problem you can not find it on Android market!  so here is the link to download it.
http://www.droidxforums.com/forum/droid-x-hacks/13259-z4root-download-links-get-your-root-here.html

I will be testing this soon, yes, I will put some feedback to what goes on... :)

So, It did not work for me.  it locks the phone and the phone start acting weard.  So I have to restart it.
By the way, I got the unlock my phone, just by calling AT&T and asking to give me the unlock code because I will need to used overseas.  Got the code from AT&T by email few days later and it worked first time.