Is this a good laptop Watch
Buy direct from manufacturer, with a reasonable discount. Or buy off ebay. Or get a laptop for free.
And get a laptop that's appropriate for your needs. So far you haven't mentioned what applications you want to run on it. You also haven't mentioned your preferences on the size / weight / portability / durability / cost compromise.
Whilst these 2 games are clearly lower quality graphics compared to most games today, that is matched by those computers' processors/hard drives being only a fraction as powerful as low end non-gaming computers today. So why wouldn't this Dell be able to cope?
They are too expensive!
When you visit any store, you are under no legal nor moral obligation to buy anything that you handle or ask an assistant about.
Corporate laptops tend to be sold with 3 years engineers call out warranty. This is better than 12 months return to store warranty.
Having an engineer that will come to your home or university department to fix your laptop is better than having to go to a shop to get it fixed.