If you're upgrading, why not turn your old computer into cash by selling it on Preloved?
It's completely free of charge for private sellers - no listing fees, no selling fees and no catches.
I have for sale a New HP Pavilion Laptop - Purple - latest Intel N3250 processor - still has the protective cellophane on the keyboard and the screen - unwanted presents - see following :-...
Brand new 4 USB and 2 Firewire combo as you see in picture. Belkin gives life time warranty on this. Compatible with Mac and PC. Buyer pays £3.99 for P&P unless collecting personally. Two available.