A couple ppc-macos questions

I've got Portage running on Tiger.2 on a PowerBook G3 (Lombard) right  
now, and it's working fine.  But there are a few questions I'd like  
to have answered.

1.  Are we supposed to set USE flags for this platform?  The official  
guide didn't mention it, but I noticed some packages still had USE  
options (saw this with emerge -v), so I've used some both in my  
make.conf and at the command line.  Is this OK?

2.  There are a lot of masked packages, but I've noticed that stuff  
is either masked with ~ppc or missing, and nothing with ~ppc-macos.   
Is this a bug in Portage, or should I be using ~ppc to install masked  
packages?

3.  Come to think of it, is there a way to find out why something is  
masked?

4.  CURL sucks.  If the server returns a 404, that is saved into the  
file, which spells disaster for 125 MB downloads over dial-up  
(NeoOffice/J, not Gentoo but I used CURL).  I emerged wget (USE="ipv6  
ssl");  what are the commands needed in make.conf to use wget instead  
of CURL?

5.  The CFLAG march doesn't seem to work on PPC.  I have no problem  
using mcpu instead, but what's the reason for gcc not marching on PPC?

6.  Is there a gentoo-ppc-macos-user list, or is this it?  (I  
probably should have asked this one first!)
--
Colin
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