The cool thing about blog giveaways is you can usually tell now many people are entered. The less entered, the better your chances to win. Here's some I found with low entries ending soon.
If you have a giveaway with less than 60 entries per prize ending in the next 6 day, please submit it here.
Ends May 14
Ends May 15
CafePress Giveaway (42 entries)
Ends May 16
Children's Book: Can't Wait Willow (24 entries)