Yeah looks good mike.
Rob things to consider if buying second hand if it dosent come with a drive board theres another £70
Also your pads for carpets will cost £20 each +
The tank on the link above are handy about £100 you could put some citra concentrate in that and clean that kitchen floor a treat. will cut through any grease in the kitchen with a green or red hard floor pad.
Buy a soft poly brush to go on that machine, fill tank with warm microsplitter, then spray/ aggitate the carpets all in one. Just pinch a clothes peg on the hose to restrict the flow a bit.