The thing with Chopin etudes is that even the "easy" ones are difficult.
I would suggest learning either Op. 10 No. 3 or Op. 25 No. 7 first. They are the easiest.
Firstly, remember that the Chopin etudes are the most difficult 2 opuses composed. (we cannot include Trois Nouvelles Etudes because they are not nearly as challenging and part of Op. Posthumous.) My teacher says that if you can play all of them, you can play anything. I can't prove or disprove this statement, but they are loaded with excellent technique and skills.
I have looked at Piano Street's database, and they are all rated 8 or 8+
with the exception of: Op. 10 No. 3
For the complete breakdown, enter the composer and Op. # into the ps search.
Yikes, they're using my recording for op10. no. 11!
I hope you're getting royalties Orlando.