Pod2g gave some good news on his blog:  “ Today I succeed in jailbreaking my iPod 3G. The exploit is user-land, rely on a user ROP payload and a kernel write anywhere exploit. I can’t give much details right now, but here are the next steps : - upgrade the iPod 3G to iOS 5.0.1 - do the same on iPhone 4 / iOS 5.0.1 - then iPad 1 & iPod 4G At every step, the exploit code needs certainly to be reworked, but I really don’t know right now. Next, I’ll return to the research for iPad 2 and iPhone 4S. I don’t know if I gonna release first for other devices or not. I’ve to think about it. Feel free to give your opinion. I’ll update the blog when I have news. Cya.”  Let’s hope he’ll fix the iPad and the 4s also.
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Pod2g gave some good news on his blog: 

“ Today I succeed in jailbreaking my iPod 3G.

The exploit is user-land, rely on a user ROP payload and a kernel write anywhere exploit.
I can’t give much details right now, but here are the next steps :
- upgrade the iPod 3G to iOS 5.0.1
- do the same on iPhone 4 / iOS 5.0.1
- then iPad 1 & iPod 4G
At every step, the exploit code needs certainly to be reworked, but I really don’t know right now.
Next, I’ll return to the research for iPad 2 and iPhone 4S. I don’t know if I gonna release first for other devices or not. I’ve to think about it. Feel free to give your opinion.
I’ll update the blog when I have news.
Cya.” 

Let’s hope he’ll fix the iPad and the 4s also.