[WTA] Can we swap between internal memory and external memory or not?, and is there any way to increase internal memory capacity??

please add me to the list...
and here is my feedback when using this wonderful smartphone,
first i flash Phantom ROm and just have a minor bug and now im using Mygingerbread Gaia rom which is the best and stable custom rom that i ever use..special thanks to developers..cant wait for the Ice Cream sandwich rom..