Tokyo Marui makes good quality pistols, so yes the TM desert eagle is an "alright" gun.
Yes Cobra airsoft is a legitimate retailer, they have been in operation for over 10 years. However since you live in Canada, you will not be able to order any airsoft guns from outside of the country due the Canadian laws. Parts and accessories are usually alright to bring in from out of country.
"Its only a little bit on fire"