I own all of them

I really do like all of them, but as previously mentioned, RF1 becomes a boring chore after marriage and once you complete the storyline. In fact, I married Mist before completing the game and it got very boring! So much so that it took me a while to pick the game back up and beat it.
RF2 may be one of my favorite games in existence. There's just so much character, and less robot from the villagers, and I had a very fun time wooing all of the girls to 10LP and going through their events. And Yue just may be one of my favorite HM/RF characters ever. The storyline was also incredible, and not too difficult. I really enjoyed the fact that it all had to do with bringing your father back, it was touching ^^ And the music, especially in 2nd gen and even the credits, was very well done. It's definitely an extraordinary game, and I enjoyed it thoroughly. My only complaint was the game goes by a bit slow when you play as Kyle, since you're main focus is to get married. Although for me personally, I put the time to good use, wooing everybody before just sticking to Yue.
As far as RFF goes, let me start out by saying that the choices of potential wives is amazing. There's every type of personality you could ever want in them, and they're all adorably cute D:
I'm torn between all of them pretty much when it comes to picking a wife, and I'm trying to use my same RF2 strategy in which I woo them all to 10LP, but it's much more difficult in this game.
I know some people say they wish that RFF had more dungeons, but honestly, I think that the 3 for the main storyline are enough, but they each require a substantially different level to beat then the previous one, thus making them more time consuming. But anyway, I really enjoy the graphics and voice acting of RFF (and idk why, but I just adore Anette's voice!) My only real complaint is the Runey system..even though getting them into prosperity isn't that difficult, it's still annoying.
*whew* I wrote too much XD