Maybe time for some new fish?!

No, No, Yes, No, No... to your list.

#1 - jumpers (mostly into overflows) and die quickly (only seen success with the yellows)
#2 - requires colder than normal water, 68 and lower.
#3 - Good pick, I want some myself
#4 - Jumpers and can be very mean
#5 - big time jumpers.

Ive only had experiences with the sixline, and yes... Can be quite mean. We had four of them in our 185g. at work. three of the fourwere found dead, on the floor a few weeks later.

BTW, just got an email from Diver's Den, they are going to have a pair of tank raised Bangaii Cardinals for sale today, after 6pm EST.

They have been VERY hard to find lately for me.. I used to see them all the time, but never wanted any.. now that I want at least 3 of them I can't get a LFS to find any at the wholesalers, wild or tank raised, although both the LFS and I would prefer tank raised by far. Been a couple months now and no luck finding any locally for me.