The new XPS M1530 that I recently purchased from Dell was flawless except for 1 small problem. The cover at the back of the LCD did not fit snugly over the LCD bezel on one side.
I called up Dell customer service on 4th of March and spoke to a very nice and helpful lady who asked me to send in pictures of the defect. I did the same day. I also mentioned that I would really not like to be without the laptop and would either prefer an onsite repair or a replacement. I did not hear anything from Dell till today - I received an email informing me that a replacement laptop had been dispatched. Looking at details, it seems that the replacement order was authorised on the 5th of March, the day after I sent in the pictures of the defect.
I have been a Dell customer for the past 3 years - I have bought 2 desktops, an Inspiron laptop and an XPS M170 laptop and have never had any problems with the hardware. The XPS M1530 is a brilliant machine which looks awesome and performs very well. This is the first time ever that I have had to interact with Dell's customer service and the experience been great. Good on you Dell. You have a very satisfied customer.