Yes I've been hearing that too, but it would make sense. Especially if Shannen agreed to them doing that. Because, she's got that grand canyon movie and that burning palms movie coming out soon and she has already given her thanks to us by coming back on 90210 at all. Also, its time for the change of all changes. This 90210 is for this new reality type of show like Gossip Girl and whatever else. So, it would really make sense, and they can't keep getting Shannen to come back on the show when she's going to be so very busy and she probably is getting very busy these days. So it wouldn't be fair to Shannen as an actress that she would be having to sign a contract for 90210 when she can't really sign her whole life away. As much as I wouldn't want Brenda to be killed off or anything, I see the possibilities in that for Shannen and she does too probably.
It will be sad if and when it does happen, but they can't keep Brenda alive, if they keep Brenda alive, there are a lot of people who will ask them to put Brenda on the new 90210 when Shannen is going to be busy, and they can't just keep calling Shannen and saying you have to play Brenda again for like twenty more years. Shannen can't possibly be stuck with one character her whole life, eventually somehow and someway she will need to somehow break away from the show to go and do other things, and if that means agreeing to have Brenda killed off then I'm sure that would be why they would if at all. So, its really not anyone's fault if they do kill Brenda off. Because if they do, that means Shannen probably agreed and I'm on Shannen's side for whatever she agrees an even sadly
if it comes to killing Brenda off.
Which I really hope they wouldn't do but I wouldn't be surprised if they do either!