Step 1. Import live data to local 1.5 copy of site
Step 2. Upgrade k2 on Joomla 1.5 to 2.5.7 (applies language db change) and install on K2 2.5.7 on 2.5 migration [NB Use standard installer!!! not Akeeba]
Step 3. Upgrade RSforms on 1.5 to rev 44 and same rev on 2.5
Step 4. Install SPupgrade package for Joomla 2.5 [see JED:http://bit.ly/fwoRT0]
Step 5. Set options in spupgrade to point to 1.5 DB/ server and set alias menu settings to yes
Step 6. Delete all trash from menus and content in 1.5 - this reduces alias problems in target db
Step 7. Execute Core Transfer in SPUpgrade - COPY LOG for post tweaks!!!!
Step 8. Export k2 data from 1.5 Local site to 2.5 target site db - rename prefix if necessary for next step
Step 9. Manually import K2 data
Step 10. Run Joomkit custom fixes
Step 11. Repeat 8-9 for RsForms rev 44
Step 12. Copy any media and template folders
Step 13. Update template for 2.5
Step 14. UPgrade to K2 2.6.6
