Applied for the 100K and 75K signup bonuses within 15 minutes of each other and both apps went into pending. Called new accounts a few minutes later and after some verification questions, was approved for $9.6K on each card, which are my new highest CLs!
Now I gotta garden a few inquiries off my credit reports before I try to get the 2 free nights bonus with Citi's Hilton Reserve card - I hear they are very stringent on too many inquiries within the past 6 months...