Sub £200
Saracen Mad- £130-£140, removable bashplate, white or black, longish chainstays, long front end, average BB height. Rides Okish, V mounts
Monty Urban- £150, 25" rear wheel, can be bodged, comes in silver, red or black, 1035mm wheelbase 4 bolt mounts
Base TA26-Short Chainstays, 1040-1050 wheelbase? Silver, from geometry shuld ride nice and seems a bargain really. £179
Sub £300
Zoo Boa- £295, around 1040 wheelbase, short rear end, V mounts and seat, or 4 bolt and no seat.
BT Raven 4.0-£279, 382mm chainstays, 1090 wheelbase, come in white, silver or black, black seems hard to get though. 8" seat tube, +5mm rise bb, short headtube means low bars without some spacers. Ideal UCI bike for people on a smaller budget.
Sub £400
Koxx Levelboss-v short chainstays, 1040,1065 or 1100 wheelbase, Better suited to people who prefer "proper" trials, too long for bmxey street. Very strong, 4.9lbs, silver £395
Leeson-£400, lightish, steel, custom length, host of crazy features like 360 dropouts, strong, can be rewelded if it cracks, range of paint jobs.
Brisa B26D/B26- £350, long chainstays, shortish front end, coem in range of paintjobs, B26D anodized, V mounts, not the best geometry for trials
Echo Pure-£395, see Koxx, come in 1060 and 1080, U6 alu, 4.2lbs, silver
Ashton Justice-£414, short chainstays, 1035 wheelbase, 4 bolt mounts, silver, detachable seat, light, good for short people or people who want a nice riding frame but no length.
£400 +
Zoo Pitbull-£425,Coustellier copy frame, silver, 1060 or 1090 wheelbase, short chainstays, 4 bolt mounts
Curtis T1-£550, varying weights, varying lengths now, lots of colours, very strong, steel and can be rewelded, best suited for the full on street rider who breaks things often.
Pashley 26GHZ-£450, lightish, not out yet, double seat tube, steel and can be rewelded, 1010 wheelbase
Theres a very short guide to the best frames out there, post if I've missed any.
Now updated slightly