Thanks to all of you that replied to my call for help. I am not a techie so advice from people who use Trainz is a big help. I would love to have a custom computer made but its just not in the cards and I don't have the talent to build one myself. This xps also comes with 6gb ram which I forgot to list. They have this one on Dells site for $780.00 so Im gonna go ahead and get it. I recieved Trainz 2010 for Christmas and installed it on the family computer and it worked just well enough to wet my whistle, while causing this little computer to do some strange things, I uninstalled quickly. Im really excited about getting a new computer and being able to appreciate this great looking simulator. Thanks ,Jack