Check out Little Impressions, they do gift vouchers which could be given to your colleagues. They do 3D hand and foot impressions which look super cute for newborns!
you may visit Shakespear restaurant at The Village mall on Jumeirah Beach road or Dubai Mall, Marina Mall, they have some really good baby bouquets decorated with many baby things, its all customised, depending on your budget. You need to ask them for customised gifts as they do it mostly for selected clients only, but they have some amazing stuff and their chocolates are good. goodluck in your search.
DD got a couple of baskets from this site:
http://www.mangetout.ae/hampers/baby_gifts-uae/
The boxes the gifts came in are still useful 3 years later for toys.