Personal favorites pools:
pool #254 - "babes"
pool #268 - "My faves"
pool #272 - "Random Pool 1"
pool #403 - "7"
pool #131 - "cats" - Images seem random
pool #103 - "sexiest ladies"

Empty pools:
pool #124 - "Kagamin Bocchi" - all posts deleted
pool #384 - "Erofen Lied" - all posts deleted
pool #400 - "Return to this later"
pool #393 - "dragon25"
pool #357 - "SlamD"
pool #361 - "touhou"
pool #233 - "Eroero Daisakusen de Arimasu"
pool #263 - "glansjob"
pool #247 - "Need translation"
pool #222 - "memegui's test pool"
pool #229 - "uwaki tsuma"
pool #153 - "休暇楽しみ〔おごり〕"
pool #151 - "Anonymous"
pool #113 - "CDA Haman cosplay"

Otherwise pointless:
pool #414 - "Evangelion 'Re-Take'" - only 1 post
pool #279 - "Broken Samples Infirmary" - could someone explain this to me?
pool #348 - "RO-S" - It would make more sense to come up with a character tag.
pool #365 - "Last Blade Official Art" - All images are tagged last_blade official_art.
pool #98 - "Gym Storage Room" - All images are tagged gym_storeroom
pool #244 - "love hina" - only 1 post
pool #289 - "Range Murata - futuregraph" - All images are tagged range_murata futuregraph
pool #52 - "Futurhythm" - All images are tagged futurhythm