I would NOT recommend upgrading your receiver. The H25 is arguably a lesser receiver as it lacks component outputs and wireless remote capability out of the box. Wireless remote is an imperative in this situation.I am fine with it being the same programming. I can set the channel I want on the h24 and watch that on whatever receiver is in the bedroom. I'm thinking an h25.
Component and wireless remote can be added to the H25 but what's the point if you already have both?