I don't have a pic handy. However, I own an upright.
There is a big difference in the feel of the game between the upright and the captain's chair (sitdown). If I had the space I'd have the captain's chair instead of the upright. A few years ago people were practically giving away captain's chairs that were missing the monitor, but now they seem to have picked up in price.
Gameplay is okay. There is a heads up display and an overhead map on the screen. Many players, including myself, play the game by only looking at the map and not the heads up display. So most of the screen space is wasted with something you never look at, and so you never really see the detail of the ships, explosions, space stations; etc. It was not all that well designed. However, you can play the game using the heads up display mostly, with the map as a secondary view. It's just a harder game that way, but is also a better gaming experince because you are seeing everything.
Mostly the game is blasting Klingon ships, docking with space stations to load up on shields, fuel and photons, and an occasional bonus round which involves shooting a mine laying ship and avoiding the mines.
There is now a multi sega kit for this game which adds Zektor, Eliminator, Space Fury and Tac Scan. I think this greatly enhances the machine. However, I recall that the since the controls are set up differently in the captains chair there may be an issue with using it in this configuration. Plus, Tac Scan uses a verticle positioned monitor so unless you can re-orient the monitor, that game is unplayable. From what I've read, the Star Trek control configuation is the best one for the multi-game so I would get a Star Trek before those other games if I was going the multi route.
The G08 I have is burn free and I had Arcadecup fix it a few years ago. Never had a problem since. I bought my ST without the monitor and was lucky to find one burn free and hardly used on Ebay. I usually fix my own monitors but this particular one can be challenging. They are supposedly harder to come by now so if you are getting this game, I'd try to get one that already has the monitor and it's working. Arcadecup doesn't work on this monitor anymore.
The edge connectors in the card cage get dirty from time to time and need to be cleaned.