Suggested sites for Panerai straps are:
1. BOB
Their VERTIGO line is just AMAZING for the price... (I had a personal experience with them)
http://www.waccex.de
2. Europelli
Drew has hi quality straps with an excellent communication. He has the SHELL CORDOVAN line which is highly recommended (I had a personal experience with them)
http://www.europelli.com/
3. DON
Don has good quality straps in very low prices.. Communication again is excellent and he has very interesting straps too... (I had a personal experience with them)
http://www.homestead.com/rlx/DON.html
4. TAIKONAUT
Pluto is a very nice guy and his straps are decent quality for the price. I had a few from him and I was happy. Interesting straps in interesting prices. (I had a personal experience with them)
http://www.taikonaut-time.com/
5. AARON (HKTAN)
The best if you want a custom made strap. (I had a personal experience with him)
PM him for questions. He is a member of this forum.
http://photobucket.com/albums/d25/HKTAN1/ (pass hktan)
6. WOJTECKI
Has very nice PRE-W straps. (No personal experience)
You can find him at Paneristi accessories forum
http://www.network54.com/Forum/353393/thre...aialelogo+cases.
7. MANIFATTURE FIRENZE
Excellent source for vintage straps (and not only that). (I had a personal experience with them)
http://www.manifatturefirenze.it/home.php/sel/0
8. BANDA
Low priced decent quality straps (No personal experience)
http://www.banda.com/
9. BIG WATCH BOUTIQUE
(No personal experience)
http://www.bigwatchforum.com/boutique/
10. STRAP-WORKS
Their 1860 and 1950 lines are recommended. (No personal experience)
http://www.strap-works.com/collection.htm
11. STRAPMASTERS
The XaMas strap is of outstanding quality BUT very expensive. If you have the money to spend you won;t regret it (I had personal experience)
http://www.strapmastersusa.com/
12. EBAY
Sometimes they source on ebay very good straps at low prices. Do a search and you might found something you are intterested...
13. PANERISTI ACCESSORIES FORUM
Last but not least the Panerai accessories forum. You can get new and second hand straps in very good prices.
Check for straps made from Mario Paci, Dirk, Watchboys, Gabomagic,
http://www.network54.com/Forum/353393/