Help me build a collection for $30,000

[Babalaas]

Looking at buying used or at current market prices. Here's what I already have and won't sell:

1). Zenith Chronomaster Sport (the "land" watch)
2). Omega Speedmaster Rising Sun Tokyo (space)
3). Grand Seiko SBGY003 (dress)

Looking to add staples and a few different pieces. Couple of thoughts I'm playing around with

1). Batman 116710BLNR and a Rolex Starbucks. Both used, available at around 30k from Japan
2). Go crazy and spend it all on a Daytona. But this would result in too many chronographs...
3). Get only one Rolex GMT and get a Glashutte Seaq instead
4). Buy a lange 1815 and a submariner instead
5). Get a Snoopy and submariner

Anyways you get the jist. Please go crazy! Would love your thoughts!