First off......Congrats on the approval to move to Brazil. I'm guessing the trip last summer to visit a new friend went well, and things are progressing there eh?
IMO, you simply can NOT beat a Lenovo Thinkpad. I run a X1 Yoga 3rd Gen with the below specs. It's super fast and snappy in general, and runs MOST models acceptably. I also have a docking station that runs (3) HD 24in screens (NOT 4k though). If you need lots of graphics horsepower, I would look at an external GPU setup that runs over TB3. You can most likely find an enclosure that will utilize your existing power supply and video card from your desktop. Easy way to ensure you have the pixel power to run a large Revit model, and not have to cut corners on portability for less strenuous tasks.
This site has a lot of info on eGPU's if you're interested in learning more.
eGPU.io - Your Go-to Destination for All Things eGPU
Here's the computer specs. Still holding up almost 3yrs after I originally purchased it (Nov '18).
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I run this docking station that has all my peripherals (Mouse, keyboard, (3) monitors, speakers, spacemouse) and charges the laptop through a single connection.
Amazon.com: Plugable USB-C 4K Triple Display Docking Station with Charging Support for Specific USB-C and Thunderbolt 3 Windows and Mac Systems (1x HDMI and 2x DisplayPort++ Outputs, 5x USB Ports, 60W USB PD) : Electronics
www.amazon.com
Monitors are Dell E2417H's on a somewhat custom mount.
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I do a LOT of inventor modelling and FEA work on the laptop, as well as a fair bit of programming in VB.net, and MathCAD file generation. On top of all the misc. office shenanigans that everyone has to deal with. I also typically have to carry the laptop out into the shop at least a few times a month and take data-log readings on strain gages. It travels with me to work and home each day, as well as on all my field trips to jobsites like sand mines, Wood pellet plants, sugar plants, foundries, and other less than hospitable locations. The small screen and slim form factor make it easy to travel with, but it still has the horsepower to do my FEA work when at the desk. I use the stylus and digitizer as a portable white board when in the field to explain things to others as needed. It's also a great way to take a picture, write some notes on it, and send it back to the office. Makes drawing markups exceptionally easy as well with a PDF editor (use Xodo if you can, it uses MS's pen algorithms and produces as close to pen/paper as I've ever had).
This is my 2nd Thinkpad, and I'll honestly never buy anything else. The X-Series has mil spec water and dust intrusion prevention, and typically have aluminum or magnesium frames. They're light and durable. I sold my X230T to a coworker, and he's still using it every day. He had it in a meeting earlier today actually. Lenovo's are pricey (no worse than a Mac or XPS really), but you really do get quite the value from them.
Good luck finding the right fit and with the new work location!
