Bought the house in Solitude once, but can't say it was worth it. The only good
thing I found was the mannequin you could put your armor on.
Breezehome is just fine, you got infinite storing space, alchemy table, smith right
next door and enchanting table at the Jarl's place.
The first thing I'll do when the CK gets released is find a good custom made player
house mod.