I'm debating between the Makita Multi-Tool DMT51 and DMT52. The DMT52 has a lot of plusses over the DMT51, expect for Starlock, those blades are expensive like hell. Oslo Tool sells an
Makita DTM52Z Starlock Without Battery Multi Tool Multitool Oscillation 18V | eBay
Makita 18V LXT Sub-Compact Lithium-Ion Brushless StarlockMax Cordless Multi-Tool (Tool Only) XMT04ZB - The Home Depot