Bvlgari Aqva is nice aquatic with grapefruit opening and strong seaweed note in the base that makes it bit dark/green to me.
Bvlgari Aqva Marine has very fresh fruity opening but turns fast into salty nothing on my skin. Its obviously less popular here but some people like it more than original.
Acqua Di Gio is fruity floral aquatic. Very fresh, but bit sweet, feminine and expensive.
Versace Man Eau Fraiche is very fresh in the lines of female version of Dolce and Gabbana Light Blue. I think it smells modern and more masculine than Acqua Di Gio for example and is rather cheap.