If you do client work and you're using the popular page building software [rhymes with Schmeed Schmages] it is inevitable that once you complete page construction your client WILL call you or send you an email with a message that goes something like this:
"It looks great, but can you just add THIS right HERE?" Or, "will you move THIS over to THERE?"
You cringe as you explain that you cannot (perhaps because your client insisted on using, [rhymes with Feed Cages]. You explain that you're dealing with a template with very little flexibility. And though it was created by nice people with effective marketing, at the end of the day, you end up looking like you can't take care of your client; and your client feels like she didn't get the page she really wanted.
(And by the way, if you're building pages for yourself, the same thing happens. You simply have these conversations with yourself. Then people think you're crazy. Thus the commonly heard phrase, "This landing page software is driving me crazy").
Instapage isn't the perfect service. They do seem to have some growing pains. But they are also willing to be open about them, and most importantly work to fix things when they go wrong (Hey, folks... things always go wrong. It's in THOSE times when you really get to see what a company really is).
That said, with Instapage you can add whatever elements to your page that you desire, wherever on the page you please. Don't get me wrong the Instapage templates look great out of the box but realistically we always want SOMETHING more or just a LITTLE bit less.
(For example, instead of using the footer copyright section as a paragraph for additional info, you can simply add a new paragraph element).
In short, I'm using Instapage for opt-in pages. I also like Instapage enough for building my homepages, too. I recommend others to use Instapage (they even pay me to refer others with or without a "SuperDuper" account level. And, better still, they pay quickly).
If you want less cringing and crazy talk, you should use Instapage, too.
EASE OF USE would switch to 5 Stars if UNDO worked like most document programs (when working w/text). Instead, it reverts entire text box to the how it was prior to altering. And UNDO can take a bit long to function which may have user hitting UNDO multiple times.
CUSTOMER SERVICE could move to 5 Stars soon: They are implementing an instant chat option. Kudos to Instapage for the upgrade.
Ease of use