Hi J.,
Congratulations! How exciting for you, I wish you the best.
Have you looked into any other types of slings? I saw one at Whole Foods that looked nice, although I didn't see the weight limit.
How about the Mei Tais or Wrap-around ones. I have used the Baby Bjorn, a ring sling and I just purchased a hip sling. The Baby Bjorn was awesome, but after my 9 month old got a little too heavy, it started hurting my back a little. The ring slings work well too, you just have to get familiar with them first. ut it does allow for a more intimate closeness. The hip carrier I have yet to receive, apparently it is a very popular item. I ordered it from Acacia (you can view on line). It holds up to 35 lbs, so it grows with you.
There are a few baby stores around town that carrier these, not Babies R Us though.
Most are online as well, but I like to see and feel products usually, so maybe checking out the local boutiques may be a better idea.
Good Luck,
M. Milberger
mom to 9 month old baby Blake