I wouldn't make anything out of your ex's reply. Maybe by saying "could you make sure you got it" he wants an excuse for contact. Or maybe he just hates writing checks. In either regard if you got it then call him and tell him so (or e-mail him) and maybe ask at that point why no check as agreed.
Sorry for bad day with a lawyer. They probably aren't all bad, but I'm biased against them too.
In the end, it's not the years in your life that count. It's the life in your years. Abraham Lincoln
It is hard to fail, but it is worse never to have tried to succeed. Theodore Roosevelt
