X-Cart Mods: Product Picking - Order Fulfillment made Easy!:

"Product picking module is great for making order fulfillment easy. Print a product picking list to easily find all products that need to go out on your shipping list. Search orders based upon: Order Date Range Order Time Span Status of queued, processed or both Select which orders you want to include in your picking list. Select how you want the list sorted (by SKU, product name or quantity) and print on a printable grid format."