Blog bat-around: $50,000 challenge

The current "blog bat-around" features this challenge: What would you buy if you had 15 minutes to spend $50,000 on ebay? Being an omnivorous collector, I would go for quality over quanitity, and what I could do for that kind of cash would net thousands and thousands of cards and keep me busy for months, if not years:

Entire Baseball Card Collection $17,500
$$$ATTENTION COLLECTORS, GREAT DEAL ON COLLECTION$$$ $5,500
LARGE BASEBALL CARD COLLECTION $2,800
Collection Baseball Sports Cards and Collectibles $1,100
ENTIRE SPORTS CARD COLLECTION--HUGE, MUST SEE AMAZING $391
Sports Card Collection - Baseball, Football, Basketball $600
HUGE trading card collection. OVER 5000 CARDS!!!! $300
BASEBALL CARD COLLECTION 10,000 CARDS FROM ESTATE $190
A to Z (1400+) Card Collection MLB (4) Binders w/ Vint. $160
Thousands of Never Touched Baseball/Basketball Cards $30
7,361 BASEBALL CARD COLLECTION.....1986-1993 $11,000
HUGE Game Used Jersey Autograph Auto RC Card Lot 2,180 $2,035
Lot of 80,000+ Baseball cards & autographs Ships FREE $2,600
SPORTS BASEBALL CARD COLLECTION LOT RARE w/ AUTOGRAPHS $1,500
Huge Lot of Sports Memoribilia Baseball Football Cards+ $900
AMAZING Sports Card Lot - 8000+ Cards - Mint Condition $800
Huge Lot of over 250,000 Sports Cards Baseball FB BKB $700
Total: $48,146

Sigh. . . I wish I was rich. Even one collection like this would much more than double mine.