@worxman02: Assuming you can still acess it over USB, change the font/use an FT override. Barring that, do a hard factory reset, and use another font/an FT override next time

.
@Kindle DXG: You appear to be trying to mix a bunch of stuff together, so, err, can't really help you. You might want to take a look at the MR wiki if you're confused.
@Tarr: Both can be jailbroken, you just won't be able to use the SS hack on a KSO device, for obvious reasons.
@bike2002: No, and it's unlikely we'll see one in the near future (Cf. yifanlu's thread).
@lukjad: Read the first post more carefully. Nothing here will change the [Aa] menu.
@Mario1up: Check the updates-provider hack page, the crappy workaround involved depends on which jailbreak you're using.
@lordheeb: The .bin from the -k2 pack, and the linkfonts folder from the -k3 pack. (Check a few pages back for more details).