Vita - Rare, Hard to Find or Increasing Value Games [PSVita]

Some Playstation Vita games to keep an eye out for. Rare, Hard to Find or Increasing in Value.

All games are Region 1, North American, with ESRB ratings. These games could be extremely common or cheap from other regions.

Games Mentioned:
Ar Nosurge Plus - Was only available as a limited edition
Natural Doctrine - Hard to find, price climbing.
Supremacy MMA - Low print run, check for it at Gamestop ($10)
Madden 13 - Price climbing
Virtua Tennis 4 - Price climbing, check for it at Gamestop ($10)
F1 2011 - Not too expensive but it's doubled in price over the past year.
Retro City Rampage DX - Limited to 3330 copies.
htoL#NiQ The Firefly Diary - NISAmerica exclusive sold out
Atelier Escha & Logy Plus - NISAmerica exclusive sold out
Breach & Clear - Limited to 1500 copies.
Saturday Morning RPG - Limited to 2500 copies.
Toukiden Kiwami - Not rare or hard to find, but only $5 at GameStop.

Music: Class--EXPAJA - Ar Nosurge Sountrack