information regarding ht set up

[ak19]

hello

i am new to ht set up and has less info about connections and all so pls provide valueble info thanks

i ve yamaha r675-sony blu ray player-f f12 sub-power ( all 3 us power based 110v120v ) -power bright 3000vc step down transformer
and tv either plasma or led (tv is not baught yet looking for)

power supply condition : weekly once twice power cuts(not for long time ) sometimes
more depending season

fluctuation rarely

which servo stablizer is best for this brand and power config

what else i need for set up other than this as i want to use multiple us devices from one 110v out on transformer which powerstrip shud i use for multiple device

even i heard about converter powerstrip dont know wheter i need one or not

thanks !