Love:
office
inferno
dust2
scoutzknivez
awp_(whatever); not a big fan of the 1337 skeet, though
cs_1337_assault
train
piranesi
chateau
cbble
oilrig
aztec
dust (yeah, I actually like dust)
Hate:
cs_assault
cs_assault_upc
Meh:
custom maps
I hate that we use assault_upc for reasons like it did well in the past or something, when 1337 assault is more balanced. I did a map vote for it today and the server filled up.