Dell are ok for laptops but all the companies are about the same try Acer there good. There are loads of companies that make laptops like Fujitsu, HP, NEC, Samsung, Sony, Toshiba to name a few lol But Acer do some good deals I would try them.
For Desktops I would go with another company like Evesham Technology, as they will be much cheaper than a Dell desk top with similar spec unless you catch one of Dells deals,
!!But Watch out for those extras that’s where DELL will scr*w you!! lol
Tom