Definitely go for Split. Also Williamson and Tyndall.
Then Middle Palisade -- its "final 1000" is like the final 400.
Shasta requires crampons and ice axe, but it's not technical.
Mt Sill and North Palisade would give you the toughest time. I did those when I was younger and bolder.
Thanks for the info. I might try to get up Whitney next week and if so, I'll take a good look at Muir while I'm there. I'm fairly confident I could safely climb it, not so sure about down climbing it. So I'll wait and tag along with someone else.............................................DUG