I was looking for some storage options for my HUcards, and saw this on the bay:
http://www.ebay.co.uk/itm/ULTRA-PRO-BINDER-ALBUM-3-RING-PAGES-POKEMON-MTG-MATCH-ATTAX-WOW-YUGIOH-MOSHI-/170805594955?pt=UK_Collectables_TradingCards_RL&var=&hash=item6d73505afc#ht_1824wt_1378
Will the standard HUcard fit into these pockets?
Yep. Loose cards fit in those just fine. :)
There's a thread on the TG forum which deals with storage, you may want to check it out. I believe it's called "how do you like your turbografx"?
Here it is: https://www.pcengine-fx.com/forums/index.php?topic=10542.0