I do not know how many of you are on shared plans, but the shared
concept gets very complex and twisted from my point of view.

For shared local you need a digital phone, and the nation is roaming.

For shared national you need a GSM phone and you loose the mobile to
mobile plan of shared local- (which is one of the biggest reasons to go
shared in the first place.)  Then they add on mobile to mobile for ten
bucks a line.  (Now they call it a Buddy Plan.)
  Basically AT&T's shared plan is too smaller mlife plans glued
together.  
  If you want a better national plan you buy a GAIT phone.  (Well, two
for a shared plan.)  On the TDMA local plan it coast nothing for the
second line but twenty bucks extra for any other lines.  On the GSM plan
its 20 bucks extra for the second line.  
  As for long distance being included they state that long distance
calls are included in the plan, then they double back and say that long
distance charges may be applied- even if its in your service area.
  The 1 Rate plan is best done on TDMA.
And things get more complicated, with all sorts of charges.  For regular
services there is no monthly charge but there is a "service" charge.  
 By the time they got telling me how the plan would work I went to
Verizon... Cingular and Verizon both offer a much less complicated
excuse to raise that monthly bill on you.