We’ve been using IP for a while, and there’s a few suggestions we’d like to share with the community. First of them is related with the Client Information.
Looks like it’s oriented more to people than companies, when most of invoicing programs should have at least, both options.
Also there is a lot of wasted space and some fields not so common (like fax number).
Attached you can find my proposal, which I believe is more elegant and universal than the one using now. Also separates company from contact, so can send emails to someone who belongs to a company.