For a limited time, B&H has the Lenovo 15.6" Ideapad 310 Series Notebook available for $ 329.00 with free shipping. Regularly $ 499.00.
- 2.3 GHz Intel Core i3-6100U Dual-Core
- 6GB of 2133 MHz DDR4 RAM
- 15.6″ (1366 x 768) LED Backlit Display
- 1TB 5400 rpm SATA III HDD
- Integrated Intel HD Graphics 520
- SuperMulti DVD Drive + Media Card Reader
- 802.11ac Wi-Fi + Bluetooth 4.0
- USB 3.0 / USB 2.0 / VGA / HDMI
- Windows 10 Home
Note: It may not be the most powerful or most full-featured laptop, but something like this would work well for displaying [close to] real-time photo galleries at a wedding reception.