I really like Triangle, the dynamics between MC, Sarah and Jenny works well and believable, especially since Sarah had her hand in raising Jenny when she was little, so it doesn't feel out of place that Jenny would feel at home and comfortable around Sarah and MC so quickly.
While I really like Sarah, she's a gorgeous woman with a healthy sexual appetite, and she just seem like a good woman, I still prefer Jenny, she's just too adorable and cute, beautiful and and sexy in her own right, I just love her eyes and them freckles...them freckles, I tell you! Aaaah, can never have enough freckles! ;P