When your my age, you aren't looking at the Mini Boden catalog for the clothes (though those are super cute, and I do enjoy looking at them). You look at the Mini Boden catalog for the names. Hands down the best catalog for name perusal is Mini Boden, and you can see why.
Is Gus the new Max? It sure is looking like it. He's a short nickname that has many options to come from. I predict that Gus, and all of his full forms are going to rise in popularity. If you want a Gus, but aren't keen on Augustus, here are some lovely choices for you.
Tess is a lovely name. It happens to be the name of my sister, and to be honest I've always been a little bit jealous. I adore Tess on her own (and would use it if it weren't my sister's name), but many people would like to use it as a nickname. If you fall into that category, here are some options.