Let me get this right here fwassner. Is what you are saying is that if I get a second HD put into my new pc I could put TRS on that and that would give an improvement?
Each time I am tyding up the route I have just finished I always do a copy from the CMP via a cdp on a seperate portable drive for safety.
Are you building a computer from scratch, or buying one?
If buying, the first thing I would do is reformat the hard drive, and re-install Windows, and only Windows. Dell, and others always put a lot of garbage on the system that will slow it down.
If the computer is going to be mainly for Trainz, you don't want to put anything unnecessary on the system.
So, when you buy the system, make sure that you get the original media for installing Windows. This may cost you more, but it is worth the cost.
Whether or not partitioning improves speed depends on the situation. I read somewhere that very large partitions sometimes perform slower than smaller ones due to the MFT (Master File Table) getting too large.
Perhaps it would be worth your money to purchase Partition Magic (Symantec) so that you can re-partition without having to reformat.
I can't tell you for sure what partitioning scheme works best. I can say that RAID 0 using 2 HDD's or RAID 10 using 4HDD's is going to get you the best disk performance.
Make sure all of your HDD's are on the SATA bus, not IDE.
Other factors that can slow down TS performance are:
Disk fragmentation: You NEED Diskeeper. It will cost you about $50, but worth every penny.
Internet Security/Antivirus/Spyware software: Get Norton Internet Security 2009. I have found it does not slow the system at all. Avoid McAfee; it is a resource hog.
Video system: What video card are you getting?
FW