Well, we chose Android for a few reasons, once was the option for extra storage as needed, which seems to be forcefully removed and leaving us with less freedom to chose, I would never care about what storage was the phone to be purchased because I had the option to add my SD card to it and save what I wanted there.
Now 2015 the era of 4K video... they are making the new phones with 4K video capability and 32Gb of memory with no option to expand it, 10 minutes of 4K video could take how much? yes 3.75 Gb... so if you were planing on make a long video you are pretty much crippled, they also removed the USB 3.0 from the phone so good luck transferring 10GB of video via USB 2.0 or wi-fi or saving it on the cloud, cloud storage is free up to certain limit after that is a monthly paid service.
I am just very frustrated with this new era of walking backwards on progress, I was going to buy the Galaxy S6.. but now getting the S5 and staying with it. USB 3.0, removable battery, Expandable storage, dustproof and waterproof, that sounds more like an Android to me.
Samsung should release the Android version of the S6, yeah the one without the "premium feel" that many airheads need but the real freedom that Android users want. We all going to end up using a case on our phones anyways and guess what... the case does not have the "premium feel" is made of impact resistant materials... yes those... NOT Glass.
So, to answer you question 32 Gb is not enough storage for a phone that can use 1/3rd of it in a 30 minutes 4k video.
Sorry about the ranting but its really getting under my skin how much Samsung is losing to fill the need of a few that only use their phones as an accessory of fashion.