The new dissection functionality in SolidWorks 2008 is great for allowing the user quick access to the underlying feature and sketch data in their design files without having to store them in a library. A big plus is that the dissection information is not stored in the SolidWorks files themselves, which keeps them from becoming bloated with what is essentially "cache" data. Instead, SolidWorks stores them in a directory on the local drive:
C:\Users\{login}\AppData\Roaming\SolidWorks\Dissection
This can be a performance issue if you are using Roaming Profiles on your Windows network, because everything under the AppData\Roaming folder is copied to the server, and downloaded to the client workstation each time they log in. If you use dissection a lot, you can easily get tens of gigabytes of data in your dissection folder, which will make your logins very slow and cause your IT staff to call you names.
The solution is to make your dissection folder truly local to your workstation. Go to Tools > Options > System Options, and look under the Search page. You will see a place to specify the folder your dissection data is kept -- just make a folder outside of the Roaming section of your profile and it will stay home.
Of course, if you log in from a different workstation, your dissection data won't be there, because it's not part of your Roaming Profile; however, you can easily re-construct it simply by working with SolidWorks. Unless you spend a lot of time working on multiple machines, the trade off is very much worth it.
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