most here find that integrated amplifiers sound better than steroe recievers including myslef
However the recievers also offer a tuner and some also offer a video input and output ( i think the HK does)
this makes switching between the sources easier.
Go and listen to a recievr and an integrated amp. Judge the difference yourself.
if you dont find much your options will be open and you can buy a comparitevely chaper reciever vis a vis and int amp
budget recievers are
Yamaha rx 397, 497 etc
Denon 1507,1509
marantz Sr 401 or sr 4001
if you gonna spend more than 16-17k on the receiver it makes sense to buy a 22-25k entry level integrated instead