Mail App Bug?

[S. Moussly]

I have recently switched from M$ Entourage to Mail app *cheering in the 
background* ;-)

It's working really great for me, only downfall is the thread 
highlighting is not working properly. In the sense of, a thread's 
highlight is not always showing when scrolling down my email messages. 
And some of the email accounts that I have configured with a specific 
highlight color don't show at all.

Not sure if this is a bug.

Regards,

Sam