I've been Googling around, and it seems that there still hasn't been any major breakthrough in compromising the system, outside of running PSP titles? Is this correct?

I had the penchant for spending some money the other day, and it turned out neither the PSV or 3DS were opened up. Money is still sitting in my wallet.

EDIT: To clear up any confusion as to my motives, a post I made below:

All sorts of reasons. I've got a couple of projects I'm working on, that would be pretty cool to get running on these environments (including a JS game engine with a drag-and-drop game editor). Also, emulation, that sort of thing.

I bought a PSP and several games, but they were never worth the money, so it became a paperweight until I started running emulators on it.

Also, not going to lie, I would consider downloading PSV games. But considering the cost of memory cards, it'd probably work out just as cost-efficient to buy second hand games.

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That's just sad if you will only buy a 3DS or Vita if it's hackable. That's pretty much what killed the PSP

Hopefully it will take alot of years untill that happens to psvita and 3DS.

Nope. I don't think any hackers have bought one.

Thieves make me sick. Buy the games to support the companies who make you games.

All sorts of reasons. I've got a couple of projects I'm working on, that would be pretty cool to get running on these environments (including a JS game engine with a drag-and-drop game editor). Also, emulation, that sort of thing.

I bought a PSP and several games, but they were never worth the money, so it became a paperweight until I started running emulators on it.

Also, not going to lie, I would consider downloading PSV games. But considering the cost of memory cards, it'd probably work out just as cost-efficient to buy second hand games.

Haha! That was my main suspicion.

Sony should just up the price of memory cards and open up the console to hacking.

No, Sony patched the game use to hack it here's what happened.

1 - No hack is available for a while.
2 - Hackers announce a hack is coming up.
3 - Hackers announce the game. You need to buy the game from the online shop and wait.
4 - After people have the game, the hack is released.
5 - Sony immediately (like within 24 hours or so) pulls the game from the online shop and fixes it.
6 - Since the game is removed+patched, the hack is dead.
7 - Go back to step 1, waiting for the next announcement.

Also you can use a PSP emulator for the Vita that works.

PSV probably not popular enough (yet :D) to be targeted by hackers. No idea about 3DS, though.

I know it's not my business but I'd advise you to buy the consoles anyway. Support our hobby the legit way, the industry needs us. It's not that expensive, come on.