Some interesting seeds I found last night:
432528458 - interesting pulsating formation
432528465 - interesting oscilators
432526582 - solid core
432527822 - checkerboard rhombuses
432525492 - canibalistic rhombus
432527629 - canibalistic square
432527954 - canibalistic square better?
432525879 - has gliders, but it's disco space
432526760 - grid lover
432528090 - forest fire (density 11)
interesting disco space ones:
432527336
glider seeds:
432526807
432528165 - has gliders, but world is not well behaved
432528140 - gliderworld, lots of gliders, vertical and diagonal glider
432528164 - checkerboard conversion