In my former life "BC" (before children) I was a technical IT manager, and it's DH's work too.
Amongst others we have a MESH PC which is about 6 years old, it was very high spec in it's day and as you can imagine it's been upgraded much in it's life and it has been and continues to be a loyal servant! I admire you for keeping away from the high street brands
We have Dell laptops and other PC's that DH has built.
If you aren't technically minded (I don't know how to put this without sounding patronising) I don't envy you having to make such a major purchase/decision as it's a (purposely) confusing industry. One positive thing is that prices have come down a lot in the last five years or so.
My previous employer held one of the countries largest contracts with Dell and we didn't even have a good customer relationship with them. My Mum has a high spec Dell desktop and has had quite a bit of grief, not only with the machine but also with their after sales "care". Their PC's tend to come loaded with lots of programs and applications in addition to what you pay for and what you think you're getting - these often slow down the machines and are difficult to remove properly.
We've recently changed the way that we use our IT at home. Our friends' PC "died" and even after sending the HD away for recovery they lost ALL their data (5 years of photos of their children

). We now have two small 1tb (low powered, quiet) NAS's (network attached storage) where we save ALL our data (inc. photos, music, movies etc) which replicates to the other one which sits in the garage. This means that if it fails technically we have a back-up, if somebody breaks in and pinches the PC's & lap-tops it's unlikely they'll find where the NAS' are statshed so hopefully the data is safe

. Our web downloads also run from these devices meaning they can run and not impact PC performance and they can run all night

we also have a xbox modified as a media server (cheap and cheerful) so we can watch our videos, movies, photos and listen to all our music from the NAS on our TV!
DH wants everybody in the house to have a cheap laptop each and just to connect to a home network and save their data in this way. No more fighting over the PC (teenagers etc).
It's easier for us but it's still been a lot of work (cabling etc) I just mention all this as home IT is changing in a big way with media PC's and servers enabling so much more flexibility of data use. There is equipment available for nearly everything you can think you might want to do, think about your usage and how you want to use your data before you buy and good luck
