Consider using cpans autobundle to export the module list from the source machine:

cpan> autobundle
[long list of Modules/versions]
Wrote bundle file
    C:\strawberry\cpan\Bundle\Snapshot_2012_05_15_00.pm
[download]

Transfer the file to the new system (note the path) and install:

cpan> install Bundle::Snapshot_2012_05_15_00.pm
[download]