The PC Specialist build looks spot on. My only reservation is the 120GB disk, I'm currently recommending a 256GB minimum - I suspect you will come a cropper in the future on 120GB. External drives are ok for photos and the like, but you won't be able to install programs onto them.
As for the downgraded graphics card. My understanding is the game should work fine on it (hopefully somebody with a similar card will chime in); but... it may be worth paying the extra now for longevity. An entry-level gaming card will have to be replaced a lot sooner than a mid-range if you want to play new games.
And remember, whilst the vast nothingness of space isn't that taxing, planetary exploration may turn out to be.
You're looking at around the right price point though for a machine capable of a good gaming experience, you'll be in the land of diminishing returns if you go over a grand. But go down too far and you'll be knocking on poor quality components.
£350 - buys you the bear minimum computer
£500 - buys you the bear minimum to play games
£750 - you're cooking on gas
£1000 - well, now you're into enthusiast territory
As for the downgraded graphics card. My understanding is the game should work fine on it (hopefully somebody with a similar card will chime in); but... it may be worth paying the extra now for longevity. An entry-level gaming card will have to be replaced a lot sooner than a mid-range if you want to play new games.
And remember, whilst the vast nothingness of space isn't that taxing, planetary exploration may turn out to be.
You're looking at around the right price point though for a machine capable of a good gaming experience, you'll be in the land of diminishing returns if you go over a grand. But go down too far and you'll be knocking on poor quality components.
£350 - buys you the bear minimum computer
£500 - buys you the bear minimum to play games
£750 - you're cooking on gas
£1000 - well, now you're into enthusiast territory