You get lag and slowness first time when you run Hammer Editor
its because program is building sametime big GCF files back to your account folder (2gb total).
Just wait till it have finished "installation", then your Hammer run smoothly.
I expected to get more responses into this thread from you people, who tried this method and do they get this work (?).
Seems this is either very silence community or you are really waiting new updates for Source SDK...
Anyway, nice that one have give positive post !
thank you i looked over a bunch off threads and webiste that said they could "help" but your thread is the only 1 that helped me thx you so much can finnaly beging mapping agin after 4-5 years not mapping :/ i have alot to re-learn well i have 3k philip youtubes clips to hel and thx agin to make it work :D