Nope... I own one, never had any real issues with it. It eats up tubes quickly but so do most high gain amps
Put a fan behind it, that should help cool it down.
Co-Founder of the Orange Revolution Club

-Esp/Ltd Ec-1000 w/ BKP Mules
-2-channel Titan
-Oversized Bogner 2x12 Cabinet
-Fulltone OCD
-RMC Picture Wah
-T.C. Electronic Nova Delay
-Larrivee D-03R
^^ Since when was a DSL a high gain amp?

Everyone I played has been really hot to touch, but nothing scary. If you get any problems a fan should help.
"You can practice to attain knowledge, but you can't practice to attain wisdom." - Herbie Hancock