Ok, I bought Pulse on the Vita the last week end.
It's not very beautiful, the emulator tends to pixelate a lot the visuals, espescially the ships > it's more beautiful on the PSP.

But the framerate, OMG !!! It's like playing a totally different game. It's so smooth, unbelievable!!! That's totally awesome!
I could install all the packs also and import my psp save data
Nice!