Using Win7x64 for a long time, here is the compatibility list for the applications u mentioned:-
1.wamp server 2.0 - No idea.
2.foobar 2000 my music needs - Using winamp latest versions with some old plugins. Working fine. Foobar 2000 works in Win 7 from what i've heard.
3.adobe photoshop cs-3 - used CS4, compatible
4.adobe reader 9(nt acrobat reader) - Reader works, no idea abt professional. Using Foxit reader currently
5.k-lite codec pack and vlc 0.9 - using KLCodec mega version 5.0 and VLC 1.0
6.eset nod 32 anti virus - Works, used version 4.xxx
7.xillisoft mp3/wma converter - Tried Xilisoft MP3, works
8.microsoft office 2007 - Fully works
9.alcohol 120/power iso/daemon tools - Dont use this, old versions dont work. If u have to simply mount images, use Magic Disk/magic iso - freeware.
10.nero 8 - Installed once, works but installs a lot of crapware

. I recommend nero lite - for burning
11.advanced batch converter -Donno
12.irfanview - Fully works. Also picasa versions 3+
13.winrar 3.51 - Works
14.winzip 10 - Not tried, use winrar or 7-zip.