I'm just about to do a UK DS parts order, including figures (which don't show up on 'Find Spare Parts', but which they did supply, until the end of last year at any rate). Until now, I have always sent a spreadsheet. A few years back, one of the staff told me they have to enter every part number manually on their system, even if it comes on a spreadsheet. Perhaps the online ordering system makes things more efficient for them, but I hope it doesn't limit what I can order compared with the last order.