I've just registered CheckBook in an attempt to move away from MoneyDance to something more Mac-specific. I really like it but there are a few things that I would love to see (and I have my fingers crossed that they might be in 2.0).
1. The ability to show and hide columns, especially if we can have two new colunms, one for a running balance and one for an icon if the transaction has a note.
2. An enhancement to the text import and export so that notes are included.
3. AppleScript support. This would be a fantastic enhancement and would take this product one step further than most of your competitors.
4. Support for budgets, even if very basic. This may, I imagine, require formalising a field such as the To/From one into a Category field.
5. Some additional scheduled transaction repeat options such as 'First Monday of the Month', 'On Date or First Monday After', etc.
Well I can hope!