Shug Avery Understudy

I'm debating getting a ticket to see the Color Purple this December. The two possible times I can go are Saturday 12/17 at 2 PM or Monday 12/19 at 7 PM. Jennifer Holliday is slotted to perform at the Saturday matinee, but will be out for the Monday show. I've read pretty mixed reviews of Jennifer's performance as Shug, so my question is: for those who have seen the Shug understudy (Rema Webb I believe), how is her performance? For those who have seen both, is Webb's Shug strong enough to justify attending the Monday show instead of going Saturday for the novelty of seeing Holliday? [Perhaps it's important to note: I know very little about the show, and this will be my first and only time seeing it.] Thanks in advance!

Rema is incredible in the role, I wouldn't be disappointed to see her. Karla Stewart also understudies the role, however, so unclear who is the first cover.

^I actually also saw Karla Stewart in the role, so not sure how many other times she's gone on.

https://instagram.com/p/BJRgeyShEsN/

I think I saw her first time going on, so it wasn't as polished as Heather's or Rema's, but she is very talented. Her Sophia is one of the best things I've seen on stage.