The "old" cs, if your refering to 1.6 back to the beta's.. is just alot better layed out than source, cause they have had over 5 years to make it that way.. its about gameplay not graphics.. im sure source will get there one day.
Keep it looking like someone lives there.. and add a bit more "foliage" to the outside of the mansion.. I dunno what kind of environment your going for, so if you explained in a caption what your level is trying to achieve.. i could help some more.. nice job so far.
He was a little harsh on his comment, but you map should not be released anytime soon.. your about 50% done imo.
-You need some work making the map look more like a house that is situated somewhere, not a house in ablue box.
-What he meant by the house being too square is, no house is a...
ITs lookin better than the last version, id change around those huge open spaces to make it look more "aiport like" as if thousands of people come through a day.. if thats the feel your looking for that is.
I like the colors used, add some decals and a few props and it looks like youll be ready to go.. as well as some light settings..
Nice work for first map..