Well, I have all my CW install files, I mean including ones that are disks going back to CWPA 9 thru plat, every single upgrade except Sonar xl I think, can't find CWPA 6,7 & 8 though.
Also purchased reaper a while back but license is good thru v5.99 I won't be giving my Serial to anyone.
If I run out of ideas to run Sonar (big if considering I am still on w8.1x64 on daw and laptop is w7x64.
I would just assume learn reaper for $60 than spend $$$ on a crossgrade that I may never have to use. But I am only home studio, so easier for me to say.