Or is just spur of the moment where something you really want to support comes up and you do so?
What's the process where you back something with a 'large' amount but then a new project that needs the support more, that you feel more strongly about comes along?
I mostly spend money on projects that I believe would have a lower chance of happening without kickstarter. For patreon, I mostly fund comics and webnovels.
Sidenote, I dislike Patreon. They have a great idea but the interface is really awful and it hasn't improved much. I wish someone more worthy had had that idea first because with the network effect, it would be hard for a competitor to get traction.
Off the top of my head, my wife and I enjoy: Ticket to Ride, Splendor, Ascension, Lost Cities, Settlers of Catan, Elder Sign.
Other 2 players we like Patchwork and 7 Tiny Epic Gallaxies
Jaipur is a great made for two players game. I'll also endorse the recs for Elder Sign, seven wonders duel, and Splendor. I love love love Pixel Tactics, though it's a bit too aggressive for my partner...