Some equipment I don't have but if I'm restarting... I'm shooting for the moon!! I didn't approach this from the viewpoint of the bare minimum but as to what I would buy. I believe that was the OP question.
Equipment:
Elliptical
Bodybar 9# 12#
Dumbbells 5 lbs. - 20lbs
Weight Bench
Squat rack
Barbell w/padding
Barbell weights
Ankle weights
Weighted gloves
Weighted belt
Weightlifting gloves
Bosu
small pods
Medicine balls 3#, 4#,6#
Step w/risers
High Step w/risers
Gliding discs
Loops
Squishy mat
Foam roller
Regular yoga mat, yoga block
Round yoga mat
Stability Ball
Pilates band
Pilates ball
Workouts
Everything by:
Tamilee, Cardio Coach Sean O'Malley, Lara Hudson, Suzanne Bowen, Jennifer Galardi, and Ana Caban.
Nearly all my Winsors, Cathes, Tracie Longs, KCM and Jari Love.
Some:
Stott, Keli Roberts, Suzanne Deason, Tony Horton, Taebos, Gin Miller, Classic Firms and some pinks.
Solitary titles:
Turbofire set, Rael set, Gilad step aerobics, Lynne Brick Buns of steel 6, Kendel Hogan Best of crunch step, Jessica Smith Gentle Yoga, Method All in one workout and Method Target specifics.
Brooke Siler pilates books and CDs plus other various weight training books.
This was fun...and kinda eye opening. Wonder how different this list will be a couple years from now.