Why not just get a reissue and a new speaker (if you want to) and save the rest? You're trying to sell guitars, not the amp :)
I have a reissue and it's very inspiring stock (I just changed a single preamp tube -- ~$20).
I use mine with pedals and it works fine: Plexi-Drive, Pinnacle Deluxe, Euphoria, Velvet Fuzz, TS clone, Soulfood and it's fine with all of them.
A bonus is that since it has two physical channels, it's great for loopers since the signal chains are different (I use channel 1 mainly for clean...
Actually the amp has several gainy tones: pushed clean (10/25 watts), vintage (10/25) and modern (10/25). The modern setting is the typical recto "wall of sound" flavor but the rest are different.
Also, I mention the 10/25 setting because it changes the voicing noticeably. On 10 watts it's...
I like them and I use them. If your tone is lacking bottom end, you might want to take a look at KT77s which are interchangeable with EL34s and provide a different sonic footprint. I've used the ones made by JJ as well.
With my DRRI I normally use the dirt pedals on the normal channel (less bright) and keep the cleans on the other channel. I really like the fact of having two different physical channels since I have two different chains on each one :)