Do any headphone or headphone amp companies ever have Black Friday sales? Like Head Direct, Woo Audio, Little Dot, etc?

I'm looking for a ~$200 headphone amp and these three seem to be the primary choices. I've also got about a $50 budget for tubes (if you have specific suggestions, please post). Head-direct Hifiman EF2 Musical Paradise MP-301 Little Dot MK2 Little Dot MK III These will be used with...

I am a 90% classical music; a little old rock (beatles, animals, etc), country, and jazz make up the other 10%. What would be the best combination of headphones and amp for $200-300, preferably under $250. I know that I can get a refurbished Sennheiser HD600 for $220. Or should I look...