Poor customer skills

After my laptop broke i was in desperate need to replace it, fast. I went into PC World after reviewing several different laptops online. I waited patiently for a sales rep but after quite sometime still no help. After finding someone from a different sector they put me into the queue of people waiting. Eventually it was my turn!! This male sales rep approached, i explained what i was looking for, what i would be using the laptop for etc. Now i had already said about the laptop i was interested in but no he dismissed this immediately and told me i needed the Mac book air. I told him i didnt want a Mac and i surely didnt want the price tag. To which i was met with a distained look and told that it was the best. That may be but i again told him i did not want a Mac it was silly for what i would be using it for. So before i could be told again, this is what i needed, i asked about 2 laptops to which he was totally disinterested in and when i asked questions he replied in as few words as possible. Due to this i left the store and searched online for the same laptop i had chosen but not purchased, to see if i could get it else where, but damn it no! So the following day i returned to the same store and informed the PC floor manager i wanted to purchase a laptop and i knew which one i wanted, so he told me he would get a sales rep over straight away. Who should i see walk towards me but the same rep as the day before. Not detered i thought, well all he has to do is get the laptop and take the money. How wrong was I. He spent the next 10 minutes trying to sell me every extra he could think of plus some. I explained i already had internet security and Micrsoft Office. He then (all i can say is) interrogated me as to which product i had how much did it cost i explained it cost me nothing as 1 the security would be 1 of 3 licenses used by my mother, and 2 the office package was office professional which i already had. This was not recieved well but he huffed off to get the laptop. In the mean time my partner was deciding whether we needed a new tv, so when the Rep returned i explained to him i was looking at TVs with my partner and i would come and find him when i was ready. 5minutes later (if that)he was hovering asking when i would be paying and by what method i told him i was still looking at TVs but he said I could carry on doing that once i had purchased the laptop. I was gobsmacked but thought to shut him up just pay for it now and get rid of him. He then proceeded to put some laptop cover on the bill which i told him i did not want so he said he needed a manager to discount it. So it now figures, i have laptop cover free for a month with a rolling contract if not cancelled!! How many times do I need to say NO NO NO!! I was so angry. I can truely say I will not be using that store again and if I can help it I would not use the company either.