Too hectic, IMO. In my experience with this kind of breakneck schedule you see things in a blur and, especially in France, never really absorb the places you visit. (St Trop is really too far from Nice for a day trip) If you prefer, I recommend you do about 5 nights in one place like Nice and 4 nights in Aix. Packing up from hotels is very time consuming and exhausting as well. There's always next year!

Are you doing museums? What is your interest in these towns? As I mentioned, we hate Monaco, it's so congested, teeming with tourists and full of high rise buildings. We can't wait to get out of there even when we just pass through. There is the Cousteau Museum there, if you like him and his pursuits of nature and oceanography; Cannes is pretty devoid of anything, it's got a couple of pretty streets and that's about it. Antibes has a wonderful Picasso Museum, but I can't see filling up 2 days in Antibes.

Menton is really nice, a real town, a great street running along the seafront for about 2 miles with a really wide walkway, reminiscent of the Promenade des A. in Nice but much nicer-- loads of moderate restaurants along this street where you are practically on the beach while you dine. A really interesting,quirky Cocteau Museum in a 250 year old castle in Menton, great gardens, a park with 1000 year old olive trees (Parc Pian) and a magnificent Old City that you can climb up into the labyrinthine streets. About 5 km above Menton is Gorbio, accessible by bike if you can do uphill on the bike. A magnificent quaint hill village. Also ride your bike around the Cap Martin Peninsula and pass by great huge mansions, Coco Chanel and Winston Churchill lived here.

There is a pretty quick local train from Nice to Menton (and everything in between), it's about an 18 min ride. You can also continue on after Menton into Ventimiglia Italy, and get a taste of a totally different culture and a different feel.