Personally i own...

Gripped 7d
Gripped 50d
100-400 L
17-40 L
10mm 2.8 Fish Eye
580exII
Lots of other random bits and pieces

Also have easy access to this gear
1d4
1d3
1dmkIIn
500 f/4 L
400 2.8 L
300 2.8 L
200 1.8 L
70-200 2.8 L
16-35 2.8 L
24-70 L
24-105 L

This weekend ive Comandeered the 1d4/500 f4/200 1.8 setup to use