Despite her repetitiveness, Rachel is one of my favorite Characters to use. I love the amount of power she packs. Also, once you learn her setups and combos, she's extremely fun to play as.
Once I found her setups and combos I stopped having a problem with her and it just got tedious fighting her. The only reason she does such good damage is her guaranteed shit as well as hi-countering people who don't know what they're doing.
Yeah,she has some nice damage potential,quite threatening when it comes to close range fighting,a character best used in an offensive way.She may be repetitive due to her not having many moves,but when it comes to getting combos in,she's very good at that,I mean,it's not like fighting against Gen-fu(mid punch holds all day) or against Jann Lee(Mid Punch/Kick holds most of the times).