I pretty much love everything, but I especially like v-ups and press handstands...and any other handstand variation. Oooh and skin the cats and one-leg candlestick jumps...and both leg! Yeah, like I said, I think I love everything, even back!
I just started working on rings strength a little over a year ago after not doing rings for three years (and even when I did them, I never did any high-level strength skills), and discovered that rings strength is actually a lot of fun (especially when there's a mirror in front of my gym's low rings -- it's just so satisfying to hit a cross and be able to see how cool you look doing it)
I like abs the best especially v-ups. I also like rockers but when I'm doing them I barely even feel it. I'm actually somewhat immune to abs conditioning (which is why I like it) because I had to do so much of it after I hurt my wrist 3 years ago.
My dd loves handstands--does them everywhere. I think she likes conditiioning because they do a lot of it for her Level 4 practices and she never complains about it or says anything to me afterwards. I think she really missed the conditioning, actually. Her first cheer gym they did A LOT of conditioning (she was there for 2 yrs) and then last year we switched to a different gym where conditioning was seriously lacking. She got really bored cause they stood around a lot. NOW at gymnastics, they condition a lot more and they are always working on something. She likes that a lot and LOVES the repetition of it all--she is a perfectionist so gymnastics is great for her!!!