Sorry, the way android is installed at present requires SD.
The card reader is part of the main flex assembly, and you can buy another off Ebay, however it does require a full disassembly in order to fit it, and will cost about £25, which is a bargain compared to some other phones where a dead SD means a full mainboard replacement.
XDA IIi ROM: 1.11.00 WWE Radio: 1.04.0 ExtROM 1.11.171 WWE
HTC Kaiser 1: ROM: Polymod 2.1D Final-Dark : Radio: 18.104.22.168
HTC G1 Dream: GammaFly V1.3 RC2, AmonRa, DangerSPL, Radio 2.22.27.08
Polymod 2.1D Final Version: It's Alive!
Android boot splashes and boot animations
(for Kaiser )