Option 3 wouldn't take up more room.Gumbo isn't a app it's a custom memory management.(makes phone better). Also i put together a slimmed down version here. http://forum.androidcentral.com/htc-hero-roms-hacks/9895-2-1-lite-option-4-a.html
or use this updated app2sd Apps2SD version 2.5 - xda-developers and all apps will be in your sdk card i had about 110mb used it went down to 24mb...
