For best hobby blog I nominate:
@Zoddtheimmortal Zodd’s Realm of Pastel Witness the glory of our ever vigilant, enters armies every contest, turquoise and pink frosting enjoyer, Zodd.
For best new hobby blog I nominate:
@flagellant04 coming in 
with some double decker madness, we all have heard tale of his collecting, now bearing painted fruit. (an unfortunate rarity among tub of shame havers)
and
@Thom-Thumb dropping exquisite DIY bighats from day 1, certainly a young blog to watch