It's old as heck but still kicking! Mid 2009 MacBook Pro (MacBook Pro 5,5) I'm hoping to use opencore legacy patcher to install Monterey on it. : r/macbookpro
Apple MacBook Pro Mid-2009 15" Laptop | 2.53GHz | 4GB | 250GB | MacOSX – Dynamic Computer Surplus
Apple MacBook Pro (13-inch, mid-2009) 2.26 GHz Intel, 250GB SSD, 8GB RAM -Works | eBay
Buy Used Apple MacBook Pro (2009) 15" Intel Core 2 Duo 500GB HDD 4GB RAM Silver | Budli
Review Apple MacBook Pro 13 Mid 2009 2.53 GHz - NotebookCheck.net Reviews
MacBook Air 13" Mid 2009 EMC 2334 - used original spareparts for Macs