yep, setup is only daunting because the guides have been cumulatively written. Dizzy's 'sum up' thread was very helpful to me, but Im working on a 'newbs guide with pics' ... watch my sig
see Dizzy's thread >>
Digital and Analog TV (Guide)
as for harwdare, they key is having an analogue card that supports hardware mpeg2 doecoding. Some hauppauge cards do this well, and integrate comfortable into MCE...thus their popularity for payTV in mce setups. I muself use the pvr150(lo pro version), and input via my STB RF output.
good luck
feel free to PM me if you have any nitty gritty questions you may not find an answer for
astro