Yeah, your bank...lol...... you can also store in "closet" in your house. some houses have up to 200 mixed (non-placeable) storage.
On SoE Tradeskill / Housing forums
we have been begging for Mannequins to display wearable items. Nice to have the full suit of armor on display...or even be able to put rare items up like a museum. Example a Mask of Tinkering
etc. Mannequins would probably be a good marketplace item and successful.....darn another word SoE hates.....Marketing, Successful, Customer Satisfaction.....the list goes on.