A1. CTRL+H (shortcut for View > Current View > Show replies to my messages).
You might also consider using a Message Rule to color posts from your
address.
A2. Why would you want to do so? You'd only see your posts (which you can
see anyway in Sent Items). (Or do you mean download only posts in threads
to which you've posted)?

Signature
~Robear Dyer (PA Bear)
MS MVP-Windows (IE/OE, Shell/User, Security), AH-VSOP
> Hello,
>
[quoted text clipped - 7 lines]
>
> George