The thing that is most difficult for me is to translate from English to Spanish. When you practice a certain section you get different types of exercises, which is great for an all around practice. But, it would be really helpful if you eventually down the road would be able to choose specific exercises to help with individual weaknesses.
I would just like to express my appreciation for designing this program. It is awesome!!! I'm planning on doing missionary work in Panama coming this February for at least a year and I'm pretty broke :), so this REALLY helps to prepare! thank you so much!