Sleeper Train BKK to Laos

I and 2 friends took sleeper train from Bangkok to Nong Khai. Nong Khai is a closest town from Laos border.
Departure:
Hua Lamphong Railway Station in Bangkok. every 20:00 pm every night.
Arrival in Nong Khai:
~7 am the next day. Exit from custom in Thailand side. Took the train Nongkhai - Thanaleng (15 min)
And arrived in Thanaleng for entry visa. Here we need to wait for sometime for visa process. They cost is ~30 USD and you have to provide 1 passport size picture.
From custom - you can take a shared van/tuk-tuk to reach Vientiane (15-min ride)

Train Services and Cost as per 2009.
One train runs daily each way at night.
#69 Bangkok THROUGH Nong Khai, Thailand TO Thanaleng, Laos (outside Vientiane).
#70 Thanaleng, Laos (outside Vientiane) THROUGH Nong Khai, Thailand TO Bangkok.

Prices for the Thanaleng – Bangkok route are: (in Thai Baht)
1st Class Aircon Sleeper 1167B Upper 1367B Lower
2nd Class Aircon Sleeper 738B Upper 808B Lower
2nd Class Fan Sleeper 538B Upper 588B Lower
2nd Class Fan Soft Seat 438B (soft seat)
3rd Class Seat(open windows)303B (hard seat)
Prices for train Nongkhai - Thanaleng: 20 baht (this ticket has to be purchased separately at Nongkhai station).

We took the second class with AC. It was very convenient and great fun! They have the officer who will make the berth for you and another officer who go around and offering some food.
It has a decent condition shower room and wash basins in each compartments.
They provide teh clean sheets, pillows and blanket as well as curtain to cover your berth. Beside each berth there is a trunk to store the luggage. The price for upper berth is slightly cheaper than the lower one because you can see the scenery outside from the lower berth.