Here is my recording gear time line. I had more failures than successes, but it was interesting to look back over the path.
1985 - Tascam 234 4 track. The system worked well.

Especially after adding a small outboard mixer. No MIDI capability.
1991 - Roland GR-1 and Cakewalk MIDI SW. MIDIAtor MPU401 MIDI interface. Primitive Windows stuff. I didn't like the MIDI sounds.

Gave up on computer recording, and stayed with the Tascam tape machine for a few more years.
1998 - Roland VS 1680. It worked, but I hated the user interface. The sound quality was not great. The VS internal mic pre's were sub par, among other things. Windows still did not seem ready for prime time host-based recording. The Mac / Pro Tools path was well beyond my budget.
2000 - Tried Cakewalk PA9. The on board laptop sound card (ESS Maestro) never worked properly. Back to the VS-1680.
2001 - Tried Sonar 1.0 with an EGO-SYS WaMi Box sound card PCMCIA interface on laptop. Driver issues with EGO-SYS were never fully resolved.
2004 - Sonar 3.1SE. Home-built Intel motherboard P4 desktop computer and Delta 1010 interface. My first host-based system that actually WORKED.

Still had some glitch issues, but I was actually doing most of my work in 2-track with Wavelab during this time period.
2009 - Jumped five versions to Sonar 8.3 SE. Upgraded last week, thanks to Cakewalk's welcome and affordable upgrade policy. 8.3 SE seems to be running fine on my 5 year-old P4 2.8GHz system w/ 2GB RAM and the Delta 1010 in tests performed so far. The program feels much more responsive as well.

I love the look and feel of Sonar 8.3 (MUCH improved over 3.1)
I've stayed with the Studio Editions because the majority of my work is recording acoustic instruments. I do use MIDI tracks for click and melody guide tracks, and for importing Sibelius scores to make practice loops. I just don't need all of the extras offered in the Producer Edition. I've ordered Scott's book this time, in hopes of getting a better handle on some of the possibilities (which I am
sure I am missing.) I am most excited about the arrival of the Tranzport to free me from the desktop. If it works as well as the demos I've seen, it could change my recording life.
The user community is a huge plus with Cakewalk. Thanks for being here!