Then your use case is indeed out of line with the typical targeted Surface use case: Office productivity, cover/keyboard use. (Not that people can't use it without a keyboard, but that makes the most out of Surface.) Holding it in one hand and typing in the other--have you tried using the split on-screen keyboard instead, with two hands?
In any case, since you don't use Office and said nothing about being wedded to the Windows RT/8 platform, I'd recommend going to a smaller-inch plastic tablet.
