I have a new vertex 3 drive. I did a fresh install Win7 Ultimate x64, installed all the drivers, optimized the services for the SSD, and still it has 400mb/s read, 80mb/s write (using CrystalDisk Mark). I heard that the drive should be aligned somehow? Can I align it without reinstalling?
If you started from a blank drive and let Windows 7 create the partitions as it was being set up then chances are your drive is already properly aligned.
Basically you want to see that the partitions start at approximately 1MB into the disk.
From the TechPowerUp SSD Alignment Calculator you can find out using MSinfo
In that field you'd want to see something like
As to how to align the disk it seems that lifehacker has a guide on how to do it using GParted