The Samsung Galaxy S10+ is available in a variety of colours. The model I tested with was the Prism White, but you could optionally pick up the Prism Black or Prism Green models, or the S10+ exclusive Ceramic Black or Ceramic White finishes. Sadly, there's no sign of the Prism Blue option for Australians at launch, although Samsung has some form in bringing new colours to market after a while. You could always import one if the blue finish really appeals to you.
While the style is distinctly Samsung, the Galaxy S10+ is notably a little thinner than last year's crop of Galaxy S9 phones, which makes it a little easier to hold in the hand.
The new design note for the Galaxy S10+ is of course the use of a "hole punch" camera, rather than a block or teardrop style notch. Samsung's official designation for this is the "Infinity O" display. The front-facing cameras sit distinctly in the upper right hand side of the Galaxy S10+ display screen, although how apps treat it can vary. If you go for full screen display on apps that support it, it will wrap around the hole punch. Apps that don't support full screen typically tend to treat the entire upper segment of the S10+ display as a gigantic notification bar.
Whether or not this is an issue will, I think, largely depend on what you think about notches generally. If you hate notches, you'll probably dislike this just as much, but I rather quickly forgot it was there. There's also a pretty lively community of folks designing wallpapers to obscure the punch hole camera if that's your style.
Samsung's claim is that the Galaxy S10+ is a "bezel-free" design. That's not 100% accurate, with a small top and bottom chin but not much you'll notice in day to day use. What you will notice is the Galaxy S10+'s 6.4 inch "Dynamic AMOLED" display, which is simply gorgeous, especially if you opt for the vivid display style and pump up the resolution to WQHD+ (3,040 x 1,440) for video watching purposes.
By default the Galaxy S10+ has the vivid screen style switched on, but the resolution is kept to a more battery-friendly FHD+ (2,280 x 1,080). For video watching there's really no screen on the market right now that bests the Galaxy S10+, although of course you've got to match it up to suitable content.

Around the back, you'll find the camera array with a small camera bump. Because the lenses are arranged horizontally there's not too much of a tipping issue with the Galaxy S10+, although it does mean without a case it can't quite sit flat on a table.
What you won't find at the back is a fingerprint sensor. That's because Samsung has built it in under the glass, using an ultrasonic sensor that it claims is faster and more secure than existing optical sensors used in phones such as the Huawei Mate 20 Pro or Oppo R17 Pro. For Samsung's part, it's a much welcome shift away from having the fingerprint sensor located perilously close to the rear cameras, so there's little risk of smudging the lenses when all you want to do is unlock it.
Samsung has kept the faith when it comes to the headphone jack, so if you're a fan of wired headphones, you've still got the option to use them without having to resort to clunky USB-C adaptors.
Samsung's Bixby assistant is baked into the software, and this means that the generally unwelcome Bixby button is also present on the left hand side of the Galaxy S10+. You will likely hit it at least once or twice when trying to hit the volume buttons that sit above it.
The glass back of the Galaxy S10+ allows for easy wireless charging, but it also predictably makes the phone very slippery in the hand or pocket. During testing it's slipped out of my pocket more than once. Where last year's Galaxy S9+ at least came with a simple plastic case supplied, there was no such enclosure in this year's Galaxy S10+ box. As such, investing in a phone case, even though that will add a little bulk to the phone is a recommended step.
Samsung's also used its standard dual tray for the Galaxy S10+, which means you can drop a single nano SIM card in alongside a microSD card for storage expansion purposes. It's a nicely flexible step.