Here are the Namecheap September 2009 Promo codes:
For new domains, use the coupon code DREAMTIME.
Or, for domain transfers from another registrar, use SWITCH2NC
They also have hosting specials on this month using these codes:
SCHOOLTIME – 10% off any shared, business and reseller package
HOSTSWITCH – 15% off any shared package and business package
USE4VPS – 10% off any [...]

The Namecheap August 2009 coupon code is the word SOLARSEA and is good for saving money on new domains that you register at www.namecheap.com for this month. Don’t forgot that they have cheap private whois services as well, and I recommend getting that add on to protect you from spammers.
Enjoy the rest of your summer!!