Outbound you'll be on flight QR002 on Qatar Airways' new A330-200. The flight time will be around 6h 30min. The improved seats have new features that were not found in the older seats although the member A300Man has noticed that the recline is less. You'll have a PTV (Private Television) with 16 Channels of entertianment and of course the service and food on board is some of the best you can get.
When you arrive in Doha you'll deboard using stairs and go on a bus to the terminal. From then head to the Transfer Desk which will be clearly marked and their will be signs so you won't get lost. The airport itself is small so their is a slim chance of that. The uniformed staff at the desk will give you directions on to your connecting flights and will issue you boarding cards if you didn't get some in LHR. You only have 1 hour on the ground and so you won't have much time to visit the duty free or any of the restaurants but you can sneek in and have a quick peek.
Then of course follow the directions/signs to your gate. On flight QR382 to MLE on an A320. The A320s are all new the oldest being only 3 years old and the youngest is only a few weeks old. The seats are very comortable and the seat pitch is good. Unfortunetly you won't get PTV's on this flight but the overhead LCD screens are very good.
On your return you'll have the same scenario but this time your connection is only 45min!
I hope this info helps
Regards,
MTQatar