A little less weight (no double chin!), long, thick RED hair (I've got strands of gold and copper in my hair now, but it's mostly brown), a factory reset on age, and that's about it right now.
Of course, with my luck, I'll get my glorified body and it'll look exactly like the one I have now, only perfected, and when I ask Jesus what's up with that, why didn't I get a slimmer figure and thicker hair, He'll grin at me and say, "you always looked perfect just the way you were!"
"Oir is leatsa an rioghachd, agus an cumhachd, agus a gloir, gu siorraidh, Amen." ("For Thine is the kingdom, and the power, and the glory, forever, Amen" -- Scots Gaelic)