I think this article from Microsoft might be useful for quite a few people. I know I'll transfer my recovery partition to a USB stick and save some space and I've got the 256 GB SSD. I'd guess those with 128 GB should find this procedure even more valuable.
http://www.microsoft.com/surface/en-ca/support/storage-files-and-folders/create-a-recovery-drive
http://www.microsoft.com/surface/en-ca/support/storage-files-and-folders/create-a-recovery-drive