Who are the Volvo of vintage computers?

When thinking of vintage computers, which company and product is analogous to Volvo? Or at least the mythical Volvo of the 70s and 80s.

• simple
• never breaks down
• solid
• brick like
• not necessarily pretty

In other words, it has an unpretentious minimalism which lasts forever. Laptop or desktop. Bonus points for something which can still be used (perhaps with a newer OS, i.e. Linux).