features
 balance
  show top-level acct balance
  show per-account balances
 print
 matching by account/description regexp
 more directives, eg include
 read timelog files
 -p period expressions
 -d display expressions
 -j and -J graph data output
 graph automation
 auto entry generation
 read gnucash files

testing
 get quickcheck working
 consider hunit dsl
 ledger regression/compatibility tests

environment
 cleaner option processing
 smart ledger file finding

documentation
 literate docs
 haddock

marketing
 set up as a cabal/hackage project following wiki howto ?
 announce on haskell list, wiki