Tiger Bits: Tiger to Panther iChat Bug?

I
keep thinking about this whenever it happens, but I also keep either forgetting to post about it or I sit staring at the keyboard debating whether it is worthy of a post. Thankfully, this post over at MacInTouch
holds enough of a vague similarity to this issue to persuade me to ask:
Have you been having problems communicating between Tiger and other versions of OS X?

Some of the MacInTouch readers are reporting receiving the following message when trying to connect to non-Tiger systems via file sharing: "This file server uses an incompatible version of the AFP protocol. You cannot connect to it."
I, myself, have noticed that I cannot send files via iChat to non-Tiger users. Laurie and I tested this briefly the other day. When she was on Panther, we couldn't send pictures back and forth in iChat, but when she switched over to her Tiger system, everything went through fine without any problems.

Are any TUAW readers experiencing these types of file transfer / file sharing problems since installing Tiger? Please share. 

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