can't downgrade from 5.3, can't do anything really...

I (foolishly) upgraded my ATV 2 to 5.3 and had connectivity issues with infuse and Netflix.  I (even more foolishly) tried to downgrade back to 5.2.  Now I can’t get it to boot tethered using Seas0pass and even iFaith seems to offer no help.  I don’t have any saved shsh blobs I can find.

 

Does anyone have a suggestion of how to get back to a working, jailbroken ATV 2?  I know I can probably get it back up by letting iTunes restore it, but I’m pretty sure that prevents me from downgrading to 5.2 or even 5.3 not to mention the fact that 6 isn’t jailbroken yet.