If you just want to mine for the sake of mining because you like having technology, then buy whatever you want. I'm not quite sure that's your motivation, though, since your first post asked which miner would make you the most.
Given the two choices in your original post, I'd go with the S3.
thank you sir for the information im planing to buy two s3 for startGiven the two choices in your original post, I'd go with the S3.