Monster Zero x SciFi Japan - Archive Only

I won these DVD's at an auction not long ago but have limited info regarding their rarity, collectability etc.
Any info would be very much appreciated.

I've also got these listed in The Daikaiju Want & Sell Ads section in case anyone wanted to make any offers.

DVD's:

DEN ACE: “I WILL LOSE WEIGHT”: MARCH OF THE SPACE MONSTER – GIANT SPACE MONSTER GUILALA APPEARS DB-0157 (REGION 2)


FRANKENSTEIN CONQUER’S THE WORLD (JEWEL CASE) TDV2625D (REGION 2)


GODZILLA TOKYO SOS: SPECIAL EDITION TDV2864 (2 DISCS / REGION 2)


GODZILLA VS MEGAGUIRUS TDV2609D (w/ EXCLUSIVE SOUNDTRACK) (3 DISCS / REGION 2)





GODZILLA, MOTHRA, KING GHIDORAH GIANT MONSTERS ALL OUT ATTACK TDV2659D (3 DISCS / REGION 2)




RODAN THE FLYING MONSTER (JEWEL CASE) TDV2594D (REGION 2)


GODZILLA: THE CLASSIC COLLECTION / GODZILLA COLLECTOR'S SET VOL. II (REGION 1)



THE SUPER ROBOT RED BARON: THE COMPLETE SERIES (6 DISCS) 48032-9 (REGION 1)


SELECTION OF OTHER KAIJU DVD'S (REGION 1)

I'm sorry to post that I won't be buying any of these DVDs since I can't afford them.