Re: samll business in trouble
In terms of the payment protection scheme, you need to sit down and read the terms and conditions of the scheme to see will it cover your situation. I doubt if it will pay out if you simply "walk away" from your business, you may need to go into liquidation or bankruptcy for it to formally kick in.
In terms of the other creditors, it may depend on how much you owe them, how long it will take to repay them and their own circumstances
Bear in mind that Dell are winding down their manufacturing operations over a 12 month period so that may give you time to take a structured approach to winding up your business.
You should have a conversation with Dell as your customer to understand the impact and timings of their decision and also with your accountant to understand your options going forward