You are welcome! Enjoy them!

They are just completely different headphones. The Sonys are wireless, active noise cancelling headphones with microphone feature, making them excellent for your commutes. Whereas the senneheisers are wired, open headphones that are don't block out sound in the environment. The Senns will shine if you a reasonably quiet environment with good equipment driving them.

Bottom line, just consider what you are looking to get out of your headphones.