I have an RG2570E but no hardcase, and I need one...

Anyone got any FS?
Go down to your local music store and find one that it fits in. It should fit in any of the (nonspecially formed) rectangual cases, and those have the most storage space also.
My Gear:
Peavey 6505+
Marshall 1960B
Schecter Hellraiser Avenger
Ibanez VBT700
Marshall Guv'nor
Marshall Echohead
Morley Tremonti Wah
Boss TU-2
Boss NS-2
Avatar 2x12
EHX Holy Grail Reverb
Furman SPB 8C
Boss Flange