Cintanotes (www.cintanotes.com) is currently on sale ($25 - 50% = $12.50) at:

http://www.bitsdujour.com/software/cintanotes

Also, version 2.5 is in beta and should be released in the next 2-3 weeks:

Features:

"Remarks" field
Notes now have a new field "Remarks", intended to collect additional data on what is written in the main note body (which quite often is clipped from somewhere)
Note export: ability to choose which fields should be exported


Enhancements:

XML import now supports XML files with UTF-8 encoding
Upgraded internal DB engine to SQLite 3.8.1
Notes list: Clickable link icons in note preview
Notes list: Improved display of long hierarchical tags Now only the last part of the tag name is displayed by default, the full name is displayed in a tooltip when you hover the mouse over the tag.
Tag deletion: provide option to also delete notes with selected tags
New option in internet connection setting: "Use system proxy settings"
Notes list: always scroll to the top of the list on new search.
Added option to clear filters on starting new search: "filters.reset.onnewsearch.enabled".
Option to turn off many confirmation messages, implemented as "Don't ask again" checkboxes.
Added shortcuts to "File" menu commands: New (Ctrl+E), Open (Ctrl+O), Save As (Ctrl+S), Close (Ctrl+W).


Fixes:

Crash on linking notes
Crash on trying to edit a certain note
Intranet URLs were not recognized
Program failed to respond to rapid mousewheel events
Simplenote sync: constant "not completed, try later" when moving remote note to recycle bin
Simplenote sync: deleted synced section appeared again after sync
Simplenote sync: synchronization could constantly fail
Sorting order could be lost for main section
Text and paragraph formats could get corrupted on merging notes
Unable to import XML with more than 3 sections even when "Import sections" was unchecked