Just picked up a ThinkPad R52 for free from a recycling center. The specs aren't that bad but at least this unit is in very good condition. Currently rocking a 32gb mSATA
Amazon.com: 1 GB MEMORY Upgrade 4 IBM Lenovo ThinkPad R52, 73p3845 Notebook Series DDR2 by cms : Electrónica
Tutorial: Upgrading the Ram on a Lenovo or IBM Thinkpad Laptop (in 1080P!) - YouTube
1GB Memory Upgrade 4 IBM LENOVO ThinkPad R52, 73P3845 NOTEBOOK SERIES DDR2 A60 | eBay